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Republic of the Philippines
Department of Education
Regional Office IX, Zamboanga Peninsula
8
SCIENCE
Quarter 3 - Module 1
THE PARTICLE NATURE OF MATTER
(Properties: Matter and Non-Matter)
Name of Learner: ___________________________
Grade & Section: ___________________________
Name of School: ___________________________
Science – Grade 8
Support Material for Independent Learning Engagement (SMILE)
Quarter 3 – Module 1: The Particle Nature of Matter (Properties: Matter and Non-Matter)
First Edition, 2021
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Printed in the Philippines by
Department of Education – Region IX – Dipolog City Schools Division
Office Address: Purok Farmers, Olingan, Dipolog City
Zamboanga del Norte, 7100
Telefax: (065) 212-6986 and (065) 212-5818
E-mail Address: dipolog.city@deped.gov.ph
Development Team of the Module
Writer: Rhodyard U. Oracoy
Editor: Michelle G. Pactol
Reviewers: Michelle G. Pactol, Zyhrine P. Mayormita
Layout Artists: Vivian L. Villasan, Chris Raymund M. Bermudo
Management Team: Virgilio P. Batan Jr. - Schools Division Superintendent
Lourma I. Poculan - Asst. Schools Division Superintendent
Amelinda D. Montero - Chief Education Supervisor, CID
Nur N. Hussien - Chief Education Supervisor, SGOD
Ronillo S. Yarag - Education Program Supervisor, LRMS
Zyhrine P. Mayormita - Education Program Supervisor, Science
Leo Martinno O. Alejo - Project Development Officer II, LRMS
Jovencia M. Samante - Public Schools District Supervisor
Josefina S. Tan - School Principal, Cogon NHS
1
What I Need to Know
This module was designed and written in a way that suits your understanding and needs.
The lessons presented will help you acquire mastery in explaining the properties of solids,
liquids, and gases based on the particle nature of matter (S8MT-IIIa-b-8). The module
includes activities on distinguishing matter from non-matter and the composition of which
materials are made of. All these will prepare and help you understand the next lesson. The scope
of this module permits it to be used in many different learning situations. This module is about:
Lesson 1: Matter
Specific Objectives:
1. Describe common properties of matter; and
2. Infer from observations about the composition of matter.
What's In
In Grade 7, you recognized a wide array of materials that combine in many ways and
through different processes. By engaging in simple scientific investigations, you classified
materials based on observed properties as homogeneous and heterogeneous mixtures, elements
and compounds, metals and non-metals, and acids and bases.
Not everything is matter nor made of matter. Every day you encounter phenomena (events)
that involve non-matter. By observing things around you, you begin the task of answering the
basic question – What is matter? What are things that are non matter?
Activity 1: It Does Matter! (Matter or Non-Matter)
Objectives:
After performing the activity, you should be able to:
1. Describe common properties of matter; and
2. Distinguish properties of matter from non-matter.
Materials Needed:
1 tablespoon of table salt (sodium chloride) in a small cup
1 cup of tap water
1 piece stone
½ cup of rice or corn (grains/kernels or milled)
1 piece balloon (or any cellophane wrap/plastic bag)
4 small wide-mouthed bottles or cups
weighing scale
2
Procedure:
A. Pre-Activity Task:
Answer the Pre-Activity part of the table below. Tell whether the given item is matter
(Yes) or not (No) and give your reason. The "not sure" answer also requires a reason.
Table 1. Identifying Matter
Material
Is it matter?
Pre-Activity Post Activity
Yes/ No/
Not sure
Reason
Yes/ No
Not sure
Reason
table salt
water
stone
rice (or corn)
the air inside
the balloon
heat
light
B. Activity Questions
1. Observe the following materials: table salt, water, stone, rice, or corn.
Q1. What characteristics do you observe in each sample?
_____________________________________________________________________________________
_____________________________________________________________________________________
2. Pour or transfer the table salt to an empty cup. Do the same thing for water, stone, and
rice in separate containers. (Please use clean cups, especially for the salt and rice.)
Q2. Do you think each sample occupies space? Write the reason for your answer.
_____________________________________________________________________________________
_____________________________________________________________________________________
3. Fill an empty cup with water to the brim. Slowly drop a small stone in the cup.
Q3. Describe what happened. Infer why it happened.
____________________________________________________________________________________
____________________________________________________________________________________
4. Blow air into a balloon or plastic bag to inflate it.
Q4. Does air occupy space? How will you prove it using a balloon (or plastic bag)?
____________________________________________________________________________________
____________________________________________________________________________________
5. Place each sample material on a weighing scale (whenever possible).
Note: Never weigh directly on the balance pan. Always use a piece of weighing paper (for
dry material) or any container to protect it.
3
Q5. Does each sample (table salt, water, stone, rice or corn, air) have a measurable
mass? Prove your answer by demonstrating and explaining how you measure the
mass of each. Record the mass.
___________________________________________________________________________________
___________________________________________________________________________________
6. Observe the characteristics of heat and light. (You may use any heat and light source.)
Q6. Do you think heat and light have measurable mass? Do they occupy space?
Explain your answer.
____________________________________________________________________________________
____________________________________________________________________________________
C. Post-Activity Tasks
Complete Table 1 (Identifying Matter) by answering the Post Activity column. Some
of your answers may be different from the Pre-Activity Task.
Matter surrounds us on a daily basis. Each has its own unique characteristics that
make it different from others. The characteristics that describe a sample of matter are called
properties. An unknown substance can be identified by observing and measuring its
properties and comparing them to the properties recorded in the chemical literature for
known substances.
What's New
Activity 2: What Am I?
Direction: Identify the property of matter based on the given description and example. Choose
from the options in the Word Pool.
Word Pool
density elasticity mass malleability conductivity
flexibility volume texture density impenetrability
4
Table 2. Properties of Matter
Property Description Example
1. ____________
2. ____________
3. _____________
4. _____________
5._____________
6. _____________
7. ____________
8. ____________
9. ____________
10. ___________
Amount of matter in a body
or object
Amount of space that a
body occupies
Mass of matter per unit
volume
The inability of two portions
of matter to occupy the
same space at the same
time
The tactile surface
characteristics of a material
Ability to be hammered into
sheets
Ability to be drawn out into
thin wires
Ability to allow heat and
electricity to pass through
Ability to be bent without
breaking
Ability to return to its
original shape or size after
being distorted
1 kg of sugar, 200 g of flour
A block of wood that measures 6 cm
x 5 cm x 4 cm (L x W x H) would
occupy 120 cm3 of space.
A sample of vinegar measures 500
ml.
A sample of material whose volume
is 40 cm3 and weighs 20 g has a
property value of 0.50 g/ cm3.
Mercury has more mass per unit
volume and is one of the densest
liquids.
The water level rises in a container
when an object is submerged in it.
The wooden surface is rough.
Gold, silver, and platinum are
practical choices in jewelry making.
Copper can be drawn into long thin
wires without breaking.
Metal baking pans heat up quickly
than glasswares.
Paper clips are made from metals
that can be shaped and bent.
The garter worn around the top of
the stocking stretches and securely
fits the thigh.
Activity 3: What is matter made of?
Objectives:
After performing this activity, you should be able to:
1. Infer from given situations or observable events what matter is made of; and
2. Explain how these observed situations or events give evidence that matter is made of
tiny particles.
5
Materials:
1 cup (or any container, preferably small) food coloring (blue, green, or red)
1 jar (or any bigger container) 1 dropper
1 transparent drinking glass 1 stirrer (plastic coffee stirrer or rod)
table salt cologne or perfume spray
distilled or clean tap water
Procedure:
Pour table salt to the brim of a clean cup.
Scrape to level the salt so that it appears
a cupful of salt.
2. Transfer the measured salt into a jar or
any bigger container.
3. Using the same cup, pour distilled or
clean tap water up to the brim for a
cupful of water.
4. Add 2 cups full of water to the salt and
mix thoroughly until all the salt dissolves.
Taste the resulting solution. (CAUTION:
Do not taste anything unless specifically
told to do so.)
Q1. What is the taste of the resulting
mixture (salt solution)?
Q2. Think about salt and water as made up
of tiny particles. Give your reason(s) for the
observations you made in Q1. You may draw
illustrations to support your reason(s).
5. Measure how many cups of salt solution you
made by pouring it to the same cup you
previously used in procedure 1 & 3.
Q3. How many cups of salt and water
mixture (salt solution) are there?
Q4. Is the volume of the resulting sugar
mixture equal, more than or less than the
total (1 cup salt + 2 cups water) volume of the
unmixed salt and water?
Q5. Think about salt and water as made up
of tiny particles. Give your reason(s) for the
observations you made in Q3. You may draw
illustrations to support your reason(s).
Part B
1. Pour one cup of tap water into a
transparent drinking glass.
2. Add one small drop of food coloring
slowly along the side of the transparent
glass.
Q6. Describe what you observe after
adding the food coloring.
3. Set aside the glass with food coloring in a
locker or corner of your room without
disturbing the setup. Describe the appearance
of the contents of the glass after one day.
Compare it with the appearance when you left
the glass the previous day.
Q7. What happens to the food coloring
dropped in the bottle containing water?
Write all your observations in your
notebook.
6
What is It
THE BEGINNING
According to Thales of Miletus, all things came from water, and the Earth itself floats on
water. A century after Thales' death, Leucippus, a Greek Philosopher, conceived the idea of
indivisible units called atoms (meaning 'uncut'). This idea was developed in the late fifth and early
fourth centuries B.C. by Democritus, a student of Leucippus.
Democritus believed that any piece of matter could be divided and subdivided into very
small particles, but this process ended at some point when a piece is reached that could not be
further divided. His belief about matter being composed of tiny particles led him to use the term
atomos (which later became atoms) to describe these ultimate particles. Democritus' ideas about
the atom were later challenged by other Greek philosophers, most strongly by Aristotle, who
rejected the idea of the atomism of matter.
Today, we know that although atoms are very small, they are not indivisible as Democritus
thought, rather they consist of still smaller particles. Democritus was right in one aspect of his
belief, that is, atoms are the smallest particles of which substances are made.
JOHN DALTON'S ATOMIC THEORY
In the early nineteenth century, John Dalton, an English scientist,
performed experiments with gases. His results convinced him that matter was
made up of tiny, indivisible particles. Dalton observed that the same amounts
of hydrogen and oxygen always combine to form a given amount of water. He
reasoned that each element must be made of its own unique kind of particle
and that these particles combine in simple ways.
Based on his experiments, Dalton developed a theory of the structure
of matter. His theory contained four main concepts:
1. All matter is composed of tiny, indivisible particles called atoms.
2. Atoms of each element are exactly alike. Atoms of different elements are different in some
fundamental way or ways.
3. Atoms can combine with other atoms to form compounds. Atoms can combine in simple
numerical ratios such as 1:1, 1:2, 2:3, and so on.
4. Atoms are reorganized during a chemical reaction but not changed.
Democritus
Aristotle
Q8. Think about food coloring and
water as made up of particles. Give
your reason(s) for the observations you
made in Q6. You may draw
illustrations to justify your reason(s).
Part C.
Get inside your room. Close the door and
windows. Stand at one corner. Ask
someone to spray the perfume or
cologne at the opposite corner of the
Q9. What did you observe? Give reason(s)
for your observation.
John Dalton
7
ATOMS & MOLECULES
An atom is the smallest particle of an element that has all the
properties of the element. Atoms are too small to observe. These
particles cannot be seen under the high-powered light microscopes used
in school laboratories. The size of an atom is measured in Angstroms.
One angstrom is a unit of length equal to one ten-millionth of a
millimeter.
The best light microscope can magnify an image only about
1,500 times. Electron microscopes create a highly magnified image of
up to 1 million times. The scanning tunneling microscope (STM) allows
scientists to view and scan the surface of very small particles like atoms.
It can magnify an image 10 million times. The STM creates a profile of
the surface of an atom, and then a computer-generated model or
contour map is produced. So, only a model of the surface of an atom is
generated by a computer when a scanning tunneling microscope is used. The picture of atoms
generated is unlike the picture we take with our cameras.
A molecule is a particle consisting of two or more atoms combined together in a specific
arrangement. It is an electrically neutral particle. It is the smallest particle of an element or
compound that can exist independently. For example, a molecule of water (H2O) consists of an
oxygen atom combined with two hydrogen atoms. Atoms of the same element can also combine to
form a molecule. For example, oxygen in the air consists of oxygen molecules, which are made up
of two oxygen atoms, O2.
In Activity 2, when you mixed salt and water and tasted the resulting solution, it tasted
salty because salt is still present, though you cannot see the salt anymore. The volume of the
mixture is less than the sum of the volumes of the unmixed salt and water. Why is this so? The
water is made of tiny particles, molecules, with spaces between them. Salt is also made up of
molecules bigger than the molecules of water. The water molecules could fit in the spaces between
the salt molecules or vice versa.
ANALOGY: ATOMS AND POINTILLISM
A good analogy to consider related to matter being composed of tiny particles, is the
pointillist style of painting. The images in a pointillist painting appear continuous, but if one looks
closely, the images are actually made of small dots. Pointillism is a method of painting using dots
to come up with various effects. The dots are placed singly, in rows, or randomly. These dots can
also be in groups, or they can be overlapping. They can be either uniform or varied in size in the
same painting. Matter is similarly assembled, with atoms of different elements combining in
various ways to give a tremendous variety of substances.
Image Source: https://edu.rsc.org
/cpd/atoms-molecules-and-ions
/3010574.article
In Figure 1(a), the image of Dolores
F. Hernandez, founding Director of the
Science Education Center, now University
of the Philippines National Institute for
Science and Mathematics Education
Development was done through pointillist
painting. The image appears continuous. In
Figure 1(b), a portion of the painting (boxed
in Figure 1a) is blown up to show that the
continuous image actually consists of dots.
The lightness and darkness of the pigments
give volume to the image in order to show
smoothness. Similarly, matter, which
appears to be continuous like the image in
Figure 1(a) is made up of very small
particles that cannot be seen with the
unaided eye.
8
What's More
Activity 4: Are You Puzzled?
Directions: Complete the crossword puzzle. Identify the word using the given clue. Write
one (1) letter per square.
DOWN:
1. A unit of length
equal to one ten-
millionth of a
millimeter
2. Consists of two or
more atoms
3. He rejected the
idea of atomism of
matter
4. Smallest particle
of matter
ACROSS:
5. Acronym for
scanning tunneling
microscope
6. He used the term
'atomos'
7. He formulated
the atomic theory
8. Anything around
us
9. He believed all
things came from
water
What I Have Learned
Activity 5: Where Do I Belong?
Direction: Identify each molecule as that of an element or compound by placing a checkmark (∕ )
under the appropriate column. Give a reason for your answer.
1.
5. 2. 3.
4.
6.
7. 8.
9.
9
What I Can Do
Activity 6: A House Tour!
Objective:
After performing the activity, you should be able to identify examples of matter at home.
Procedure:
1. It's time for another quick tour around your house. This time, you get another mission
to accomplish. Please bring your paper and pen. Are you ready? Now, start at your
bedroom. Look around and observe. List down 5 examples of matter.
__________________________________________________________________________________
2. It's now time to move on to your next destination - the living room. Observe. List down
another 5 examples of matter.
__________________________________________________________________________________
3. Moving on to your favorite destination - the kitchen. Observe. List down 5 examples of
matter.
_________________________________________________________________________________
4. Lastly, proceed to the home garden. Look around. List down 5 examples of
Matter.
__________________________________________________________________________________
5. Congratulations! you just had a quick tour around the place you can compare like
no other. Review your lists of examples of matter. Why are they called matter?
__________________________________________________________________________________
__________________________________________________________________________________
Assessment
Direction: Circle the letter of the best answer.
1. Which of the following does not describe matter?
A. It has mass.
B. It has weight.
C. It can be seen.
D. It occupies space.
2. Which of the following are not considered matter?
I. Steam II. Pencil III. Light IV. Space
A. I and II
B. III and IV
C. II and III
D. I and IV
3. Evaluate both statements.
Statement 1: Matter is made up of atomic particles.
Statement 2: Matter has mass and volume.
A. Both statements 1 & 2 are true.
B. Statement 1 is true, while statement 2 is false.
C. Statement 1 is false, while statement 1 is true.
D. Both statements are false.
10
4. Which does not occupy space?
A. leaf
B. heat
C. air
D. hair
5. Which property is common to any form of matter?
A. Density
B. Malleability
C. Conductivity
D. Flexibility
6. What property do these objects exhibit?
A. Brittleness
B. Malleability
C. Elasticity
D. Ductility
7. Which of the following statements does not conform to Dalton's concepts about matter?
A. Matter is made up of tiny particles called atoms.
B. Atoms of different elements have different masses.
C. Atoms combine to form molecules.
D. Atoms of different elements are alike.
8. If you dissolved 1 cup of sugar in 4 cups of water, what is the resulting volume of the
mixture?
A. equal to 5 cups
B. less than 5 cups
C. more than 5 cups
D. cannot be determined
9. What happens to the salt particles when dissolved in water? The salt particles ___________.
A. vanished in air
B. undergo changes and become water particles
C. fit in the spaces between water particles and vice versa
D. are completely covered by the thin film of the water particles
10. What is the smallest particle of water?
A. Atom
B. Molecule
C. Element
D. Compound
11. What unit is used to measure the size of an atom?
A. angstrom
B. mile
C. milliliter
D. ounce
12. Which statement about a molecule is incorrect?
A. A molecule is electrically neutral.
B. A molecule is composed of two or more atoms.
C. A molecule is the smallest particle of a compound.
D. A molecule can be seen by an unaided eye.
1. https://www.clipartkey.com/view/ihRxob_clip-art-graphic-
royalty-free-transparent-rubber-bands/
2. https://www.joybuy.com/product/650174982.html
11
13. How many kinds of molecules are there in a mixture of sugar and water?
A. one
B. two
C. hundreds
D. Millions
14. How many kinds of atoms are there in the picture on the right?
A. one
B. two
C. three
D. Four
15. Why can you smell perfume from a distance?
A. The particles of perfume scatter with the air.
B. The particles of perfume become stronger in the air.
C. The particles of perfume multiply in the air.
D. All of the above.
Additional Activities
Activity 7: Molecular Model
Directions: Make a molecular model using Styrofoam balls (paper, clay, or any substitute) and
sticks. You may paint the balls. Choose only one from among the given molecules.
Water (H2O), Carbon Dioxide (CO2), or ozone (O3)
RUBRIC
Exceeds
Expectation (4)
Meets
Expectation (3)
Approaching
Expectation (2)
Below Expectation
(1)
Structure
(Factor: 2)
well-built and
durably constructed
carefully
constructed
fairly constructed poorly constructed
Neatness
(Factor: 1)
model is
exceptionally neat
model is neat the model has little
dirt marks
model lacks
neatness
Creativity
(Factor: 2)
exceptionally
creative as to the
choice of materials,
color, and overall
presentation
Creative as to the
choice of
materials, color,
and overall
presentation
Fairly creative as to
the choice of
materials, color, and
overall presentation
lacks creativity in
choosing materials,
color, and overall
presentation
12
Answer Key Gr8Q3 Module 1
Activity 1: It Does Matter!
Table 1 (Post Activity)
Q1. Masses of the samples can be measured. They
all occupy space.
Q2. Yes, each sample occupies space inside the
cup.
Q3. The water overflowed. The stone takes up part
of the space previously occupied by water.
Q4. Yes, blowing air inside inflates the balloon.
Q5. Using a weighing scale, mass of samples can
be measured. (mass of sample = mass of sample &
container - mass of empty container)
Q6. No, heat and light do not have mass. They do
not occupy space because they are not matter.
Heat is energy in transit and light is a form of
energy.
Activity 2: What Am I?
1. mass 6. Malleability
2. volume 7. ductility
3. density 8. conductivity
4. Impenetrability 9. flexibility
5. texture 10.elasticity
Activity 3: What is matter made of?
Q1. The mixture tastes salty.
Q2. The salt is still present though we cannot see it
anymore. The salt particles mixed well with the
water particles.
Q3. Volume is a little more than 2 but less than 3
cups.
Q4. The volume of the resulting mixture is less
than the sum of the volumes of the unmixed salt
and water.
Q5. This shows that water is made up of tiny
particles with spaces between them. The salt
particles are able to fit into these spaces because
the salt particles that dissolved are very small.
Q6. The food coloring spreads slowly towards the
bottom and began to spread throughout the water.
Q7. After one day, the food coloring has totally
spread throughout the water since the resulting
mixture has a color almost the same as that of the
food coloring.
Q8. The particles of food coloring are able to fit
into the spaces of the water molecules.
Q9. Smelled the perfume from a distance. The
perfume particles fit into the wide spaces of air
particles and are scattered throughout the
room.
Activity 4: Are You Puzzled?
Down: Across:
angstrom 5. STM
molecule 6. Democritus
Aristotle 7. Dalton
atom 8. matter
Thales
Activity 5: Where Do I Belong?
molecule of element - It is composed of the
same kind of atom.
molecule of compound - It is composed of
different kinds of atoms.
molecule of compound - It is composed of
different kinds of atoms, Ca and O.
molecule of element - It is composed of one
kind of atom, P.
molecule of compound - It is composed of two
kinds of atoms - carbon and hydrogen.
Activity 6: A House Tour
(examples of matter in the bedroom) -
Answers may vary
(examples of matter in the living room) -
Answers may vary
(examples of matter in the kitchen) -
Answers may vary
(examples of matter in the home garden) -
Answers may vary
They all have mass and they occupy space.
Assessment:
C 6. C 11. A
B 7. D 12. D
A 8. B 13. B
B 9. C 14. B
A 10. B 15. A
References
Sinugbuhan, R.L. and Villamil, A.M. 2009. Science & Technology: Integrated Science. Abiva
Publishing House, Inc.
Mendoza, Reyes, et al. 2003. Integrated Science. Phoenix Publishing House, Inc.
Mendoza, E.E. and Religioso, T.F. 1997. You and The Natural World Series: Chemistry.
Phoenix Publishing House, Inc
Magleo, L.A. and Bernas, V.S. 2011. Exploring the Realms of Science: Integrated Science. JO-
ES Publishing House, Inc.
Zumdahl, Steven S. 1986. Chemistry. D.C. Heath and Company
Department of Education (2013). Science 8 Learner's Material. First Edition. Department of
Education-Bureau of Learning Resources (DepEd-BLR)
Department of Education (2013). Science 8 Teachers Guide. First Edition. Department of
Education-Bureau of Learning Resources (DepEd-BLR)
Image credits:
Colorful rubber band texture.
https://sites.google.com/site/keepingit2cocfcngroup/_/rsrc/1468751494869/democritus/d
emocritus.jpg
https://c8.alamy.com/comp/HRP6R8/aristotle-ancient-greek-philosopher-HRP6R8.jpg
https://www.sciencehistory.org/sites/default/files/styles/standard_profile_image/public/hi
storical_profile/dalton1-profile.jpg?itok=XNcPaFlr&timestamp=1575495857
https://scienceintenerias.weebly.com/uploads/1/7/2/6/17266312/molecules-air.gif
https://ak.picdn.net/shutterstock/videos/17723095/thumb/8.jpg
https://ak.picdn.net/shutterstock/videos/17723095/thumb/8.jpg
https://d1whtlypfis84e.cloudfront.net/guides/wp-
content/uploads/2018/01/30053209/13580404724_f31e42ba8c_b-300x217.jpg
https://www.mathworksheets4kids.com/science/atoms-molecules/color/elements-
compounds-cut-glue.pdf
https://2.bp.blogspot.com/-hh-r5zW5AlE/UqaKvVbLTYI/AAAAAAAAABs/2xVbg-
usdFA/s1600/karet+gelang.jpg
https://lh3.googleusercontent.com/proxy/B3PXXDeSj6UxobFkat4Q23ZTJxiA7yt_bJY-
MUUzldDu9C50w3zwwxCwS9KRe9Jg3Nzsw6HsFFxRuCUpaYqlDbzQV33dQ9kPIHSIr
CAhlWcPCA
https://www.google.com/url?sa=i&url=https%3A%2F%2Ffineartamerica.com%2Ffeatured%2
F1-water-molecule-friedrich-saurer.html&psig=AOvVaw2BIYuiN-
CFVMFd128z6drq&ust=1610271170596000&source=images&cd=vfe&ved=0CAIQjRx
qFwoTCID3wuHFju4CFQAAAAAdAAAAABAD
Region IX: Zamboanga Peninsula Hymn – Our Eden Land
Here the trees and flowers bloom
Here the breezes gently Blow,
Here the birds sing Merrily,
The liberty forever Stays,
Here the Badjaos roam the seas
Here the Samals live in peace
Here the Tausogs thrive so free
With the Yakans in unity
Gallant men And Ladies fair
Linger with love and care
Golden beams of sunrise and sunset
Are visions you’ll never forget
Oh! That’s Region IX
Hardworking people Abound,
Every valleys and Dale
Zamboangueños, Tagalogs, Bicolanos,
Cebuanos, Ilocanos, Subanons, Boholanos, Ilongos,
All of them are proud and true
Region IX our Eden Land
Region IX
Our..
Eden...
Land...
My Final Farewell
Farewell, dear Fatherland, clime of the sun caress'd
Pearl of the Orient seas, our Eden lost!,
Gladly now I go to give thee this faded life's best,
And were it brighter, fresher, or more blest
Still would I give it thee, nor count the cost.
On the field of battle, 'mid the frenzy of fight,
Others have given their lives, without doubt or heed;
The place matters not-cypress or laurel or lily white,
Scaffold or open plain, combat or martyrdom's plight,
T is ever the same, to serve our home and country's need.
I die just when I see the dawn break,
Through the gloom of night, to herald the day;
And if color is lacking my blood thou shalt take,
Pour'd out at need for thy dear sake
To dye with its crimson the waking ray.
My dreams, when life first opened to me,
My dreams, when the hopes of youth beat high,
Were to see thy lov'd face, O gem of the Orient sea
From gloom and grief, from care and sorrow free;
No blush on thy brow, no tear in thine eye.
Dream of my life, my living and burning desire,
All hail ! cries the soul that is now to take flight;
All hail ! And sweet it is for thee to expire ;
To die for thy sake, that thou mayst aspire;
And sleep in thy bosom eternity's long night.
If over my grave some day thou seest grow,
In the grassy sod, a humble flower,
Draw it to thy lips and kiss my soul so,
While I may feel on my brow in the cold tomb below
The touch of thy tenderness, thy breath's warm power.
Let the moon beam over me soft and serene,
Let the dawn shed over me its radiant flashes,
Let the wind with sad lament over me keen ;
And if on my cross a bird should be seen,
Let it trill there its hymn of peace to my ashes.
Let the sun draw the vapors up to the sky,
And heavenward in purity bear my tardy protest
Let some kind soul o 'er my untimely fate sigh,
And in the still evening a prayer be lifted on high
From thee, 0 my country, that in God I may rest.
Pray for all those that hapless have died,
For all who have suffered the unmeasur'd pain;
For our mothers that bitterly their woes have cried,
For widows and orphans, for captives by torture tried
And then for thyself that redemption thou mayst gain
And when the dark night wraps the graveyard around
With only the dead in their vigil to see
Break not my repose or the mystery profound
And perchance thou mayst hear a sad hymn resound
'T is I, O my country, raising a song unto thee.
And even my grave is remembered no more
Unmark'd by never a cross nor a stone
Let the plow sweep through it, the spade turn it o'er
That my ashes may carpet earthly floor,
Before into nothingness at last they are blown.
Then will oblivion bring to me no care
As over thy vales and plains I sweep;
Throbbing and cleansed in thy space and air
With color and light, with song and lament I fare,
Ever repeating the faith that I keep.
My Fatherland ador'd, that sadness to my sorrow lends
Beloved Filipinas, hear now my last good-by!
I give thee all: parents and kindred and friends
For I go where no slave before the oppressor bends,
Where faith can never kill, and God reigns e'er on high!
Farewell to you all, from my soul torn away,
Friends of my childhood in the home dispossessed!
Give thanks that I rest from the wearisome day!
Farewell to thee, too, sweet friend that lightened my way;
Beloved creatures all, farewell! In death there is rest!
I Am a Filipino, by Carlos P. Romulo
I am a Filipino–inheritor of a glorious past, hostage to the uncertain
future. As such I must prove equal to a two-fold task–the task of
meeting my responsibility to the past, and the task of performing
my obligation to the future.
I sprung from a hardy race, child many generations removed of
ancient Malayan pioneers. Across the centuries the memory comes
rushing back to me: of brown-skinned men putting out to sea in
ships that were as frail as their hearts were stout. Over the sea I see
them come, borne upon the billowing wave and the whistling wind,
carried upon the mighty swell of hope–hope in the free abundance
of new land that was to be their home and their children’s forever.
I am a Filipino. In my blood runs the immortal seed of heroes–seed
that flowered down the centuries in deeds of courage and defiance.
In my veins yet pulses the same hot blood that sent Lapulapu to
battle against the first invader of this land, that nerved Lakandula
in the combat against the alien foe, that drove Diego Silang and
Dagohoy into rebellion against the foreign oppressor.
The seed I bear within me is an immortal seed. It is the mark of my
manhood, the symbol of dignity as a human being. Like the seeds
that were once buried in the tomb of Tutankhamen many thousand
years ago, it shall grow and flower and bear fruit again. It is the
insignia of my race, and my generation is but a stage in the
unending search of my people for freedom and happiness.
I am a Filipino, child of the marriage of the East and the West. The
East, with its languor and mysticism, its passivity and endurance,
was my mother, and my sire was the West that came thundering
across the seas with the Cross and Sword and the Machine. I am of
the East, an eager participant in its spirit, and in its struggles for
liberation from the imperialist yoke. But I also know that the East
must awake from its centuried sleep, shake off the lethargy that has
bound his limbs, and start moving where destiny awaits.
I am a Filipino, and this is my inheritance. What pledge shall I give
that I may prove worthy of my inheritance? I shall give the pledge
that has come ringing down the corridors of the centuries, and it
shall be compounded of the joyous cries of my Malayan forebears
when first they saw the contours of this land loom before their eyes,
of the battle cries that have resounded in every field of combat from
Mactan to Tirad Pass, of the voices of my people when they sing:
“I am a Filipino born to freedom, and I shall not rest until freedom
shall have been added unto my inheritance—for myself and my
children and my children’s children—forever.”

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Science 8 module-1-version-3

  • 1. Republic of the Philippines Department of Education Regional Office IX, Zamboanga Peninsula 8 SCIENCE Quarter 3 - Module 1 THE PARTICLE NATURE OF MATTER (Properties: Matter and Non-Matter) Name of Learner: ___________________________ Grade & Section: ___________________________ Name of School: ___________________________
  • 2. Science – Grade 8 Support Material for Independent Learning Engagement (SMILE) Quarter 3 – Module 1: The Particle Nature of Matter (Properties: Matter and Non-Matter) First Edition, 2021 Republic Act 8293, section 176 states that: No copyright shall subsist in any work of the Government of the Philippines. However, prior approval of the government agency or office wherein the work is created shall be necessary for exploitation of such work for profit. Such agency or office may, among other things, impose as a condition the payment of royalties. Borrowed materials (i.e., songs, stories, poems, pictures, photos, brand names, trademarks, etc.) included in this module are owned by their respective copyright holders. Every effort has been exerted to locate and seek permission to use these materials from their respective copyright owners. The publisher and authors do not represent nor claim ownership over them. Printed in the Philippines by Department of Education – Region IX – Dipolog City Schools Division Office Address: Purok Farmers, Olingan, Dipolog City Zamboanga del Norte, 7100 Telefax: (065) 212-6986 and (065) 212-5818 E-mail Address: dipolog.city@deped.gov.ph Development Team of the Module Writer: Rhodyard U. Oracoy Editor: Michelle G. Pactol Reviewers: Michelle G. Pactol, Zyhrine P. Mayormita Layout Artists: Vivian L. Villasan, Chris Raymund M. Bermudo Management Team: Virgilio P. Batan Jr. - Schools Division Superintendent Lourma I. Poculan - Asst. Schools Division Superintendent Amelinda D. Montero - Chief Education Supervisor, CID Nur N. Hussien - Chief Education Supervisor, SGOD Ronillo S. Yarag - Education Program Supervisor, LRMS Zyhrine P. Mayormita - Education Program Supervisor, Science Leo Martinno O. Alejo - Project Development Officer II, LRMS Jovencia M. Samante - Public Schools District Supervisor Josefina S. Tan - School Principal, Cogon NHS
  • 3. 1 What I Need to Know This module was designed and written in a way that suits your understanding and needs. The lessons presented will help you acquire mastery in explaining the properties of solids, liquids, and gases based on the particle nature of matter (S8MT-IIIa-b-8). The module includes activities on distinguishing matter from non-matter and the composition of which materials are made of. All these will prepare and help you understand the next lesson. The scope of this module permits it to be used in many different learning situations. This module is about: Lesson 1: Matter Specific Objectives: 1. Describe common properties of matter; and 2. Infer from observations about the composition of matter. What's In In Grade 7, you recognized a wide array of materials that combine in many ways and through different processes. By engaging in simple scientific investigations, you classified materials based on observed properties as homogeneous and heterogeneous mixtures, elements and compounds, metals and non-metals, and acids and bases. Not everything is matter nor made of matter. Every day you encounter phenomena (events) that involve non-matter. By observing things around you, you begin the task of answering the basic question – What is matter? What are things that are non matter? Activity 1: It Does Matter! (Matter or Non-Matter) Objectives: After performing the activity, you should be able to: 1. Describe common properties of matter; and 2. Distinguish properties of matter from non-matter. Materials Needed: 1 tablespoon of table salt (sodium chloride) in a small cup 1 cup of tap water 1 piece stone ½ cup of rice or corn (grains/kernels or milled) 1 piece balloon (or any cellophane wrap/plastic bag) 4 small wide-mouthed bottles or cups weighing scale
  • 4. 2 Procedure: A. Pre-Activity Task: Answer the Pre-Activity part of the table below. Tell whether the given item is matter (Yes) or not (No) and give your reason. The "not sure" answer also requires a reason. Table 1. Identifying Matter Material Is it matter? Pre-Activity Post Activity Yes/ No/ Not sure Reason Yes/ No Not sure Reason table salt water stone rice (or corn) the air inside the balloon heat light B. Activity Questions 1. Observe the following materials: table salt, water, stone, rice, or corn. Q1. What characteristics do you observe in each sample? _____________________________________________________________________________________ _____________________________________________________________________________________ 2. Pour or transfer the table salt to an empty cup. Do the same thing for water, stone, and rice in separate containers. (Please use clean cups, especially for the salt and rice.) Q2. Do you think each sample occupies space? Write the reason for your answer. _____________________________________________________________________________________ _____________________________________________________________________________________ 3. Fill an empty cup with water to the brim. Slowly drop a small stone in the cup. Q3. Describe what happened. Infer why it happened. ____________________________________________________________________________________ ____________________________________________________________________________________ 4. Blow air into a balloon or plastic bag to inflate it. Q4. Does air occupy space? How will you prove it using a balloon (or plastic bag)? ____________________________________________________________________________________ ____________________________________________________________________________________ 5. Place each sample material on a weighing scale (whenever possible). Note: Never weigh directly on the balance pan. Always use a piece of weighing paper (for dry material) or any container to protect it.
  • 5. 3 Q5. Does each sample (table salt, water, stone, rice or corn, air) have a measurable mass? Prove your answer by demonstrating and explaining how you measure the mass of each. Record the mass. ___________________________________________________________________________________ ___________________________________________________________________________________ 6. Observe the characteristics of heat and light. (You may use any heat and light source.) Q6. Do you think heat and light have measurable mass? Do they occupy space? Explain your answer. ____________________________________________________________________________________ ____________________________________________________________________________________ C. Post-Activity Tasks Complete Table 1 (Identifying Matter) by answering the Post Activity column. Some of your answers may be different from the Pre-Activity Task. Matter surrounds us on a daily basis. Each has its own unique characteristics that make it different from others. The characteristics that describe a sample of matter are called properties. An unknown substance can be identified by observing and measuring its properties and comparing them to the properties recorded in the chemical literature for known substances. What's New Activity 2: What Am I? Direction: Identify the property of matter based on the given description and example. Choose from the options in the Word Pool. Word Pool density elasticity mass malleability conductivity flexibility volume texture density impenetrability
  • 6. 4 Table 2. Properties of Matter Property Description Example 1. ____________ 2. ____________ 3. _____________ 4. _____________ 5._____________ 6. _____________ 7. ____________ 8. ____________ 9. ____________ 10. ___________ Amount of matter in a body or object Amount of space that a body occupies Mass of matter per unit volume The inability of two portions of matter to occupy the same space at the same time The tactile surface characteristics of a material Ability to be hammered into sheets Ability to be drawn out into thin wires Ability to allow heat and electricity to pass through Ability to be bent without breaking Ability to return to its original shape or size after being distorted 1 kg of sugar, 200 g of flour A block of wood that measures 6 cm x 5 cm x 4 cm (L x W x H) would occupy 120 cm3 of space. A sample of vinegar measures 500 ml. A sample of material whose volume is 40 cm3 and weighs 20 g has a property value of 0.50 g/ cm3. Mercury has more mass per unit volume and is one of the densest liquids. The water level rises in a container when an object is submerged in it. The wooden surface is rough. Gold, silver, and platinum are practical choices in jewelry making. Copper can be drawn into long thin wires without breaking. Metal baking pans heat up quickly than glasswares. Paper clips are made from metals that can be shaped and bent. The garter worn around the top of the stocking stretches and securely fits the thigh. Activity 3: What is matter made of? Objectives: After performing this activity, you should be able to: 1. Infer from given situations or observable events what matter is made of; and 2. Explain how these observed situations or events give evidence that matter is made of tiny particles.
  • 7. 5 Materials: 1 cup (or any container, preferably small) food coloring (blue, green, or red) 1 jar (or any bigger container) 1 dropper 1 transparent drinking glass 1 stirrer (plastic coffee stirrer or rod) table salt cologne or perfume spray distilled or clean tap water Procedure: Pour table salt to the brim of a clean cup. Scrape to level the salt so that it appears a cupful of salt. 2. Transfer the measured salt into a jar or any bigger container. 3. Using the same cup, pour distilled or clean tap water up to the brim for a cupful of water. 4. Add 2 cups full of water to the salt and mix thoroughly until all the salt dissolves. Taste the resulting solution. (CAUTION: Do not taste anything unless specifically told to do so.) Q1. What is the taste of the resulting mixture (salt solution)? Q2. Think about salt and water as made up of tiny particles. Give your reason(s) for the observations you made in Q1. You may draw illustrations to support your reason(s). 5. Measure how many cups of salt solution you made by pouring it to the same cup you previously used in procedure 1 & 3. Q3. How many cups of salt and water mixture (salt solution) are there? Q4. Is the volume of the resulting sugar mixture equal, more than or less than the total (1 cup salt + 2 cups water) volume of the unmixed salt and water? Q5. Think about salt and water as made up of tiny particles. Give your reason(s) for the observations you made in Q3. You may draw illustrations to support your reason(s). Part B 1. Pour one cup of tap water into a transparent drinking glass. 2. Add one small drop of food coloring slowly along the side of the transparent glass. Q6. Describe what you observe after adding the food coloring. 3. Set aside the glass with food coloring in a locker or corner of your room without disturbing the setup. Describe the appearance of the contents of the glass after one day. Compare it with the appearance when you left the glass the previous day. Q7. What happens to the food coloring dropped in the bottle containing water? Write all your observations in your notebook.
  • 8. 6 What is It THE BEGINNING According to Thales of Miletus, all things came from water, and the Earth itself floats on water. A century after Thales' death, Leucippus, a Greek Philosopher, conceived the idea of indivisible units called atoms (meaning 'uncut'). This idea was developed in the late fifth and early fourth centuries B.C. by Democritus, a student of Leucippus. Democritus believed that any piece of matter could be divided and subdivided into very small particles, but this process ended at some point when a piece is reached that could not be further divided. His belief about matter being composed of tiny particles led him to use the term atomos (which later became atoms) to describe these ultimate particles. Democritus' ideas about the atom were later challenged by other Greek philosophers, most strongly by Aristotle, who rejected the idea of the atomism of matter. Today, we know that although atoms are very small, they are not indivisible as Democritus thought, rather they consist of still smaller particles. Democritus was right in one aspect of his belief, that is, atoms are the smallest particles of which substances are made. JOHN DALTON'S ATOMIC THEORY In the early nineteenth century, John Dalton, an English scientist, performed experiments with gases. His results convinced him that matter was made up of tiny, indivisible particles. Dalton observed that the same amounts of hydrogen and oxygen always combine to form a given amount of water. He reasoned that each element must be made of its own unique kind of particle and that these particles combine in simple ways. Based on his experiments, Dalton developed a theory of the structure of matter. His theory contained four main concepts: 1. All matter is composed of tiny, indivisible particles called atoms. 2. Atoms of each element are exactly alike. Atoms of different elements are different in some fundamental way or ways. 3. Atoms can combine with other atoms to form compounds. Atoms can combine in simple numerical ratios such as 1:1, 1:2, 2:3, and so on. 4. Atoms are reorganized during a chemical reaction but not changed. Democritus Aristotle Q8. Think about food coloring and water as made up of particles. Give your reason(s) for the observations you made in Q6. You may draw illustrations to justify your reason(s). Part C. Get inside your room. Close the door and windows. Stand at one corner. Ask someone to spray the perfume or cologne at the opposite corner of the Q9. What did you observe? Give reason(s) for your observation. John Dalton
  • 9. 7 ATOMS & MOLECULES An atom is the smallest particle of an element that has all the properties of the element. Atoms are too small to observe. These particles cannot be seen under the high-powered light microscopes used in school laboratories. The size of an atom is measured in Angstroms. One angstrom is a unit of length equal to one ten-millionth of a millimeter. The best light microscope can magnify an image only about 1,500 times. Electron microscopes create a highly magnified image of up to 1 million times. The scanning tunneling microscope (STM) allows scientists to view and scan the surface of very small particles like atoms. It can magnify an image 10 million times. The STM creates a profile of the surface of an atom, and then a computer-generated model or contour map is produced. So, only a model of the surface of an atom is generated by a computer when a scanning tunneling microscope is used. The picture of atoms generated is unlike the picture we take with our cameras. A molecule is a particle consisting of two or more atoms combined together in a specific arrangement. It is an electrically neutral particle. It is the smallest particle of an element or compound that can exist independently. For example, a molecule of water (H2O) consists of an oxygen atom combined with two hydrogen atoms. Atoms of the same element can also combine to form a molecule. For example, oxygen in the air consists of oxygen molecules, which are made up of two oxygen atoms, O2. In Activity 2, when you mixed salt and water and tasted the resulting solution, it tasted salty because salt is still present, though you cannot see the salt anymore. The volume of the mixture is less than the sum of the volumes of the unmixed salt and water. Why is this so? The water is made of tiny particles, molecules, with spaces between them. Salt is also made up of molecules bigger than the molecules of water. The water molecules could fit in the spaces between the salt molecules or vice versa. ANALOGY: ATOMS AND POINTILLISM A good analogy to consider related to matter being composed of tiny particles, is the pointillist style of painting. The images in a pointillist painting appear continuous, but if one looks closely, the images are actually made of small dots. Pointillism is a method of painting using dots to come up with various effects. The dots are placed singly, in rows, or randomly. These dots can also be in groups, or they can be overlapping. They can be either uniform or varied in size in the same painting. Matter is similarly assembled, with atoms of different elements combining in various ways to give a tremendous variety of substances. Image Source: https://edu.rsc.org /cpd/atoms-molecules-and-ions /3010574.article In Figure 1(a), the image of Dolores F. Hernandez, founding Director of the Science Education Center, now University of the Philippines National Institute for Science and Mathematics Education Development was done through pointillist painting. The image appears continuous. In Figure 1(b), a portion of the painting (boxed in Figure 1a) is blown up to show that the continuous image actually consists of dots. The lightness and darkness of the pigments give volume to the image in order to show smoothness. Similarly, matter, which appears to be continuous like the image in Figure 1(a) is made up of very small particles that cannot be seen with the unaided eye.
  • 10. 8 What's More Activity 4: Are You Puzzled? Directions: Complete the crossword puzzle. Identify the word using the given clue. Write one (1) letter per square. DOWN: 1. A unit of length equal to one ten- millionth of a millimeter 2. Consists of two or more atoms 3. He rejected the idea of atomism of matter 4. Smallest particle of matter ACROSS: 5. Acronym for scanning tunneling microscope 6. He used the term 'atomos' 7. He formulated the atomic theory 8. Anything around us 9. He believed all things came from water What I Have Learned Activity 5: Where Do I Belong? Direction: Identify each molecule as that of an element or compound by placing a checkmark (∕ ) under the appropriate column. Give a reason for your answer. 1. 5. 2. 3. 4. 6. 7. 8. 9.
  • 11. 9 What I Can Do Activity 6: A House Tour! Objective: After performing the activity, you should be able to identify examples of matter at home. Procedure: 1. It's time for another quick tour around your house. This time, you get another mission to accomplish. Please bring your paper and pen. Are you ready? Now, start at your bedroom. Look around and observe. List down 5 examples of matter. __________________________________________________________________________________ 2. It's now time to move on to your next destination - the living room. Observe. List down another 5 examples of matter. __________________________________________________________________________________ 3. Moving on to your favorite destination - the kitchen. Observe. List down 5 examples of matter. _________________________________________________________________________________ 4. Lastly, proceed to the home garden. Look around. List down 5 examples of Matter. __________________________________________________________________________________ 5. Congratulations! you just had a quick tour around the place you can compare like no other. Review your lists of examples of matter. Why are they called matter? __________________________________________________________________________________ __________________________________________________________________________________ Assessment Direction: Circle the letter of the best answer. 1. Which of the following does not describe matter? A. It has mass. B. It has weight. C. It can be seen. D. It occupies space. 2. Which of the following are not considered matter? I. Steam II. Pencil III. Light IV. Space A. I and II B. III and IV C. II and III D. I and IV 3. Evaluate both statements. Statement 1: Matter is made up of atomic particles. Statement 2: Matter has mass and volume. A. Both statements 1 & 2 are true. B. Statement 1 is true, while statement 2 is false. C. Statement 1 is false, while statement 1 is true. D. Both statements are false.
  • 12. 10 4. Which does not occupy space? A. leaf B. heat C. air D. hair 5. Which property is common to any form of matter? A. Density B. Malleability C. Conductivity D. Flexibility 6. What property do these objects exhibit? A. Brittleness B. Malleability C. Elasticity D. Ductility 7. Which of the following statements does not conform to Dalton's concepts about matter? A. Matter is made up of tiny particles called atoms. B. Atoms of different elements have different masses. C. Atoms combine to form molecules. D. Atoms of different elements are alike. 8. If you dissolved 1 cup of sugar in 4 cups of water, what is the resulting volume of the mixture? A. equal to 5 cups B. less than 5 cups C. more than 5 cups D. cannot be determined 9. What happens to the salt particles when dissolved in water? The salt particles ___________. A. vanished in air B. undergo changes and become water particles C. fit in the spaces between water particles and vice versa D. are completely covered by the thin film of the water particles 10. What is the smallest particle of water? A. Atom B. Molecule C. Element D. Compound 11. What unit is used to measure the size of an atom? A. angstrom B. mile C. milliliter D. ounce 12. Which statement about a molecule is incorrect? A. A molecule is electrically neutral. B. A molecule is composed of two or more atoms. C. A molecule is the smallest particle of a compound. D. A molecule can be seen by an unaided eye. 1. https://www.clipartkey.com/view/ihRxob_clip-art-graphic- royalty-free-transparent-rubber-bands/ 2. https://www.joybuy.com/product/650174982.html
  • 13. 11 13. How many kinds of molecules are there in a mixture of sugar and water? A. one B. two C. hundreds D. Millions 14. How many kinds of atoms are there in the picture on the right? A. one B. two C. three D. Four 15. Why can you smell perfume from a distance? A. The particles of perfume scatter with the air. B. The particles of perfume become stronger in the air. C. The particles of perfume multiply in the air. D. All of the above. Additional Activities Activity 7: Molecular Model Directions: Make a molecular model using Styrofoam balls (paper, clay, or any substitute) and sticks. You may paint the balls. Choose only one from among the given molecules. Water (H2O), Carbon Dioxide (CO2), or ozone (O3) RUBRIC Exceeds Expectation (4) Meets Expectation (3) Approaching Expectation (2) Below Expectation (1) Structure (Factor: 2) well-built and durably constructed carefully constructed fairly constructed poorly constructed Neatness (Factor: 1) model is exceptionally neat model is neat the model has little dirt marks model lacks neatness Creativity (Factor: 2) exceptionally creative as to the choice of materials, color, and overall presentation Creative as to the choice of materials, color, and overall presentation Fairly creative as to the choice of materials, color, and overall presentation lacks creativity in choosing materials, color, and overall presentation
  • 14. 12 Answer Key Gr8Q3 Module 1 Activity 1: It Does Matter! Table 1 (Post Activity) Q1. Masses of the samples can be measured. They all occupy space. Q2. Yes, each sample occupies space inside the cup. Q3. The water overflowed. The stone takes up part of the space previously occupied by water. Q4. Yes, blowing air inside inflates the balloon. Q5. Using a weighing scale, mass of samples can be measured. (mass of sample = mass of sample & container - mass of empty container) Q6. No, heat and light do not have mass. They do not occupy space because they are not matter. Heat is energy in transit and light is a form of energy. Activity 2: What Am I? 1. mass 6. Malleability 2. volume 7. ductility 3. density 8. conductivity 4. Impenetrability 9. flexibility 5. texture 10.elasticity Activity 3: What is matter made of? Q1. The mixture tastes salty. Q2. The salt is still present though we cannot see it anymore. The salt particles mixed well with the water particles. Q3. Volume is a little more than 2 but less than 3 cups. Q4. The volume of the resulting mixture is less than the sum of the volumes of the unmixed salt and water. Q5. This shows that water is made up of tiny particles with spaces between them. The salt particles are able to fit into these spaces because the salt particles that dissolved are very small. Q6. The food coloring spreads slowly towards the bottom and began to spread throughout the water. Q7. After one day, the food coloring has totally spread throughout the water since the resulting mixture has a color almost the same as that of the food coloring. Q8. The particles of food coloring are able to fit into the spaces of the water molecules. Q9. Smelled the perfume from a distance. The perfume particles fit into the wide spaces of air particles and are scattered throughout the room. Activity 4: Are You Puzzled? Down: Across: angstrom 5. STM molecule 6. Democritus Aristotle 7. Dalton atom 8. matter Thales Activity 5: Where Do I Belong? molecule of element - It is composed of the same kind of atom. molecule of compound - It is composed of different kinds of atoms. molecule of compound - It is composed of different kinds of atoms, Ca and O. molecule of element - It is composed of one kind of atom, P. molecule of compound - It is composed of two kinds of atoms - carbon and hydrogen. Activity 6: A House Tour (examples of matter in the bedroom) - Answers may vary (examples of matter in the living room) - Answers may vary (examples of matter in the kitchen) - Answers may vary (examples of matter in the home garden) - Answers may vary They all have mass and they occupy space. Assessment: C 6. C 11. A B 7. D 12. D A 8. B 13. B B 9. C 14. B A 10. B 15. A
  • 15. References Sinugbuhan, R.L. and Villamil, A.M. 2009. Science & Technology: Integrated Science. Abiva Publishing House, Inc. Mendoza, Reyes, et al. 2003. Integrated Science. Phoenix Publishing House, Inc. Mendoza, E.E. and Religioso, T.F. 1997. You and The Natural World Series: Chemistry. Phoenix Publishing House, Inc Magleo, L.A. and Bernas, V.S. 2011. Exploring the Realms of Science: Integrated Science. JO- ES Publishing House, Inc. Zumdahl, Steven S. 1986. Chemistry. D.C. Heath and Company Department of Education (2013). Science 8 Learner's Material. First Edition. Department of Education-Bureau of Learning Resources (DepEd-BLR) Department of Education (2013). Science 8 Teachers Guide. First Edition. Department of Education-Bureau of Learning Resources (DepEd-BLR) Image credits: Colorful rubber band texture. https://sites.google.com/site/keepingit2cocfcngroup/_/rsrc/1468751494869/democritus/d emocritus.jpg https://c8.alamy.com/comp/HRP6R8/aristotle-ancient-greek-philosopher-HRP6R8.jpg https://www.sciencehistory.org/sites/default/files/styles/standard_profile_image/public/hi storical_profile/dalton1-profile.jpg?itok=XNcPaFlr&timestamp=1575495857 https://scienceintenerias.weebly.com/uploads/1/7/2/6/17266312/molecules-air.gif https://ak.picdn.net/shutterstock/videos/17723095/thumb/8.jpg https://ak.picdn.net/shutterstock/videos/17723095/thumb/8.jpg https://d1whtlypfis84e.cloudfront.net/guides/wp- content/uploads/2018/01/30053209/13580404724_f31e42ba8c_b-300x217.jpg https://www.mathworksheets4kids.com/science/atoms-molecules/color/elements- compounds-cut-glue.pdf https://2.bp.blogspot.com/-hh-r5zW5AlE/UqaKvVbLTYI/AAAAAAAAABs/2xVbg- usdFA/s1600/karet+gelang.jpg https://lh3.googleusercontent.com/proxy/B3PXXDeSj6UxobFkat4Q23ZTJxiA7yt_bJY- MUUzldDu9C50w3zwwxCwS9KRe9Jg3Nzsw6HsFFxRuCUpaYqlDbzQV33dQ9kPIHSIr CAhlWcPCA https://www.google.com/url?sa=i&url=https%3A%2F%2Ffineartamerica.com%2Ffeatured%2 F1-water-molecule-friedrich-saurer.html&psig=AOvVaw2BIYuiN- CFVMFd128z6drq&ust=1610271170596000&source=images&cd=vfe&ved=0CAIQjRx qFwoTCID3wuHFju4CFQAAAAAdAAAAABAD
  • 16. Region IX: Zamboanga Peninsula Hymn – Our Eden Land Here the trees and flowers bloom Here the breezes gently Blow, Here the birds sing Merrily, The liberty forever Stays, Here the Badjaos roam the seas Here the Samals live in peace Here the Tausogs thrive so free With the Yakans in unity Gallant men And Ladies fair Linger with love and care Golden beams of sunrise and sunset Are visions you’ll never forget Oh! That’s Region IX Hardworking people Abound, Every valleys and Dale Zamboangueños, Tagalogs, Bicolanos, Cebuanos, Ilocanos, Subanons, Boholanos, Ilongos, All of them are proud and true Region IX our Eden Land Region IX Our.. Eden... Land... My Final Farewell Farewell, dear Fatherland, clime of the sun caress'd Pearl of the Orient seas, our Eden lost!, Gladly now I go to give thee this faded life's best, And were it brighter, fresher, or more blest Still would I give it thee, nor count the cost. On the field of battle, 'mid the frenzy of fight, Others have given their lives, without doubt or heed; The place matters not-cypress or laurel or lily white, Scaffold or open plain, combat or martyrdom's plight, T is ever the same, to serve our home and country's need. I die just when I see the dawn break, Through the gloom of night, to herald the day; And if color is lacking my blood thou shalt take, Pour'd out at need for thy dear sake To dye with its crimson the waking ray. My dreams, when life first opened to me, My dreams, when the hopes of youth beat high, Were to see thy lov'd face, O gem of the Orient sea From gloom and grief, from care and sorrow free; No blush on thy brow, no tear in thine eye. Dream of my life, my living and burning desire, All hail ! cries the soul that is now to take flight; All hail ! And sweet it is for thee to expire ; To die for thy sake, that thou mayst aspire; And sleep in thy bosom eternity's long night. If over my grave some day thou seest grow, In the grassy sod, a humble flower, Draw it to thy lips and kiss my soul so, While I may feel on my brow in the cold tomb below The touch of thy tenderness, thy breath's warm power. Let the moon beam over me soft and serene, Let the dawn shed over me its radiant flashes, Let the wind with sad lament over me keen ; And if on my cross a bird should be seen, Let it trill there its hymn of peace to my ashes. Let the sun draw the vapors up to the sky, And heavenward in purity bear my tardy protest Let some kind soul o 'er my untimely fate sigh, And in the still evening a prayer be lifted on high From thee, 0 my country, that in God I may rest. Pray for all those that hapless have died, For all who have suffered the unmeasur'd pain; For our mothers that bitterly their woes have cried, For widows and orphans, for captives by torture tried And then for thyself that redemption thou mayst gain And when the dark night wraps the graveyard around With only the dead in their vigil to see Break not my repose or the mystery profound And perchance thou mayst hear a sad hymn resound 'T is I, O my country, raising a song unto thee. And even my grave is remembered no more Unmark'd by never a cross nor a stone Let the plow sweep through it, the spade turn it o'er That my ashes may carpet earthly floor, Before into nothingness at last they are blown. Then will oblivion bring to me no care As over thy vales and plains I sweep; Throbbing and cleansed in thy space and air With color and light, with song and lament I fare, Ever repeating the faith that I keep. My Fatherland ador'd, that sadness to my sorrow lends Beloved Filipinas, hear now my last good-by! I give thee all: parents and kindred and friends For I go where no slave before the oppressor bends, Where faith can never kill, and God reigns e'er on high! Farewell to you all, from my soul torn away, Friends of my childhood in the home dispossessed! Give thanks that I rest from the wearisome day! Farewell to thee, too, sweet friend that lightened my way; Beloved creatures all, farewell! In death there is rest! I Am a Filipino, by Carlos P. Romulo I am a Filipino–inheritor of a glorious past, hostage to the uncertain future. As such I must prove equal to a two-fold task–the task of meeting my responsibility to the past, and the task of performing my obligation to the future. I sprung from a hardy race, child many generations removed of ancient Malayan pioneers. Across the centuries the memory comes rushing back to me: of brown-skinned men putting out to sea in ships that were as frail as their hearts were stout. Over the sea I see them come, borne upon the billowing wave and the whistling wind, carried upon the mighty swell of hope–hope in the free abundance of new land that was to be their home and their children’s forever. I am a Filipino. In my blood runs the immortal seed of heroes–seed that flowered down the centuries in deeds of courage and defiance. In my veins yet pulses the same hot blood that sent Lapulapu to battle against the first invader of this land, that nerved Lakandula in the combat against the alien foe, that drove Diego Silang and Dagohoy into rebellion against the foreign oppressor. The seed I bear within me is an immortal seed. It is the mark of my manhood, the symbol of dignity as a human being. Like the seeds that were once buried in the tomb of Tutankhamen many thousand years ago, it shall grow and flower and bear fruit again. It is the insignia of my race, and my generation is but a stage in the unending search of my people for freedom and happiness. I am a Filipino, child of the marriage of the East and the West. The East, with its languor and mysticism, its passivity and endurance, was my mother, and my sire was the West that came thundering across the seas with the Cross and Sword and the Machine. I am of the East, an eager participant in its spirit, and in its struggles for liberation from the imperialist yoke. But I also know that the East must awake from its centuried sleep, shake off the lethargy that has bound his limbs, and start moving where destiny awaits. I am a Filipino, and this is my inheritance. What pledge shall I give that I may prove worthy of my inheritance? I shall give the pledge that has come ringing down the corridors of the centuries, and it shall be compounded of the joyous cries of my Malayan forebears when first they saw the contours of this land loom before their eyes, of the battle cries that have resounded in every field of combat from Mactan to Tirad Pass, of the voices of my people when they sing: “I am a Filipino born to freedom, and I shall not rest until freedom shall have been added unto my inheritance—for myself and my children and my children’s children—forever.”