Earth_and_Life_Science_

1. Earth and Life Science
Quarter 1 – Module 1:
The Uniqueness of Earth, being the
Only Planet in the Solar System with
Properties Necessary to Support Life

2. Earth and Life Science – Grade 11
Alternative Delivery Mode
Quarter 1 – Module 1: The Uniqueness of Earth, being the Only Planet in the Solar
System with Properties Necessary to Support Life.
First Edition, 2020
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Published by the Department of Education
Secretary: Leonor Magtolis Briones
Undersecretary: Diosdado M. San Antonio
Printed in the Philippines by Department of Education – Schools Division of Bataan
Office Address: Provincial Capitol Compound, Balanga City, Bataan
Telefax: (047) 237-2102
E-mail Address: bataan@deped.gov.ph
Development Team of the Module
Writer: Rosalie C. Decena
Editor: Jeshamenme A. Baluyot
Reviewer: Felina L. Sarmiento, Ph.D
Illustrator: John Kennedy S. Esperanza
Layout Artist: Melanie M. Pendon
Cover Design: LRMDS-Bataan
Management Team:
Schools Division Superintendent : Romeo M. Alip, PhD, CESO V
OIC-Asst. Schools Division Superintendent: William Roderick R. Fallorin
Chief Education Supervisor, CID : Milagros M. Peñaflor, PhD
Education Program Supervisor, LRMDS : Edgar E. Garcia, MITE
Education Program Supervisor, AP/ADM : Romeo M. Layug
Education Program Supervisor, Science : Edwin R. Bermillo
District Supervisor, Mariveles : Francisco B. Bautista
Division Lead Book Designer : Kenneth G. Doctolero
District LRMDS Coordinator, Mariveles : Jaypee M. Villa
School LRMDS Coordinator : Donna T. Santos-Villanueva
School Principal : Amelinda A. Fandialan
District Lead Layout Artist, Earth and Life:
District Lead Illustrator, Earth and Life :
District Lead Evaluator, Earth and Life :

3. 1
Earth and Life Science
Quarter 1 – Module 1:
The Uniqueness of Earth, being
the Only Planet in the Solar
System with Properties
Necessary to Support Life

4. 2
Introductory Message
For the facilitator:
Welcome to the Earth and Life Science – Grade 11 Alternative Delivery Mode
(ADM) Module on The Uniqueness of Earth, being the Only Planet in the Solar
System with Properties Necessary to Support Life.
This module was collaboratively designed, developed and reviewed by
educators both from public and private institutions to assist you, the teacher or
facilitator in helping the learners meet the standards set by the K to 12 Curriculum
while overcoming their personal, social, and economic constraints in schooling.
This learning resource hopes to engage the learners into guided and
independent learning activities at their own pace and time. Furthermore, this also
aims to help learners acquire the needed 21st century skills while taking into
consideration their needs and circumstances.
In addition to the material in the main text, you will also see this box in the
body of the module:
As a facilitator you are expected to orient the learners on how to use this
module. You also need to keep track of the learners' progress while allowing them
to manage their own learning. Furthermore, you are expected to encourage and
assist the learners as they do the tasks included in the module.
Notes to the Teacher
This contains helpful tips or strategies
that will help you in guiding the learners.

5. 3
For the learner:
Welcome to the Earth and Life Science – Grade 11 Alternative Delivery Mode
(ADM) Module on The Uniqueness of Earth, being the Only Planet in the Solar
System with Properties Necessary to Support Life.
The hand is one of the most symbolized part of the human body. It is often
used to depict skill, action and purpose. Through our hands we may learn, create
and accomplish. Hence, the hand in this learning resource signifies that you as a
learner is capable and empowered to successfully achieve the relevant
competencies and skills at your own pace and time. Your academic success lies in
your own hands!
This module was designed to provide you with fun and meaningful
opportunities for guided and independent learning at your own pace and time. You
will be enabled to process the contents of the learning resource while being an
active learner.
This module has the following parts and corresponding icons:
What I Need to Know
This will give you an idea of the skills or
competencies you are expected to learn in
the module.
What I Know
This part includes an activity that aims to
check what you already know about the
lesson to take. If you get all the answers
correct (100%), you may decide to skip this
module.
What’s In
This is a brief drill or review to help you link
the current lesson with the previous one.
What’s New
In this portion, the new lesson will be
introduced to you in various ways such as a
story, a song, a poem, a problem opener, an
activity or a situation.

6. 4
What is It
This section provides a brief discussion of
the lesson. This aims to help you discover
and understand new concepts and skills.
What’s More
This comprises activities for independent
practice to solidify your understanding and
skills of the topic. You may check the
answers to the exercises using the Answer
Key at the end of the module.
What I Have Learned
This includes questions or blank
sentence/paragraph to be filled in to process
what you learned from the lesson.
What I Can Do
This section provides an activity which will
help you transfer your new knowledge or
skill into real life situations or concerns.
Assessment
This is a task which aims to evaluate your
level of mastery in achieving the learning
competency.
Additional Activities
In this portion, another activity will be given
to you to enrich your knowledge or skill of
the lesson learned. This also tends retention
of learned concepts.
Answer Key
This contains answers to all activities in the
module.
At the end of this module you will also find:
References This is a list of all sources used in
developing this module.

7. 5
The following are some reminders in using this module:
1. Use the module with care. Do not put unnecessary mark/s on any part of
the module. Use a separate sheet of paper in answering the exercises.
2. Don’t forget to answer What I Know before moving on to the other activities
included in the module.
3. Read the instruction carefully before doing each task.
4. Observe honesty and integrity in doing the tasks and checking your
answers.
5. Finish the task at hand before proceeding to the next.
6. Return this module to your teacher/facilitator once you are through with it.
If you encounter any difficulty in answering the tasks in this module, do not
hesitate to consult your teacher or facilitator. Always bear in mind that you are
not alone.
We hope that through this material, you will experience meaningful learning
and gain deep understanding of the relevant competencies. You can do it!

8. 6
What I Need to Know
At the end of this module, learners are expected to:
1. The learners shall be able to recognize the uniqueness of Earth, being the only
planet in the solar system with properties necessary to support life.
(S11/12ES-Ia-e-3)
1.1 Recognize the difference in the physical and chemical properties between
the Earth and its neighboring planet
1.2 Identify the factors that allow a planet to support life
1.3Appreciate the uniqueness of earth being the only planet in the solar
system that has properties to support life.
2. The learners shall be able to understand the Earth consists of four subsystems,
across whose boundaries matter and energy flow. (S11ES-Ib-4)
2.1 Define the concept of a system; and
2.2 Recognize the Earth as a system composed of subsystems.
2.3 Appreciate the things around us that makes earth’s system

9. 7
What I Know
Observe the picture of ecosystem below; write down all the images that you see
every day in your life.
1. ___________________
2. ___________________
3. ___________________
4. ___________________
5. ___________________
Look outside your window and see what’s in the image that is present
around you. Does the sky look the same? The sun brightly shines or a
gloomy weather that it’s like going to rain? Trees and plants that give fresh
air, rivers that give fresh environment. Do you sometime stop and think
everything?
around you connectively has something to do with each other?

10. 8
Lesson
1
Recognize the uniqueness of Earth, being
the only planet in the solar system with
properties necessary to support life.
To enable life, Planet Earth has a number of ideal features. It is unique
among planets in our solar system for having water in its liquid form in an amount
conducive to evolution of life, The Atmosphere trap certain amount of heat from the
sun to warm the earth, the main heat source comes from the sun. In this module
you will learn Earth’s unique characteristics among other planets in the solar
system that sustain life.
To understand deeper, properties in our planet are interconnected and
interact to one another to form a unified whole and process a cycle where matter
and energy flow. That’s how amazing our planet earth revolves around us.

11. 9
Notes to the Teacher
This module will help the student to know the Earth
What’s In
Compare and Contrast. Write down on a piece of paper what are the similarities
and differences among these three terrestrial planets?
Venus Earth Mars
1. Venus, Earth, and Mars are part of the inner terrestrial or "rocky" planets. Their
composition and densities are not too different from each other.
2. Venus is considered to be the Earth's twin planet. It has a very similar size and
mass with the Earth. Mars is about half the Earth's size.
3. Orbital period and velocity are related to the planet's distance from the sun.
Among the three planet, Venus is the nearest and Mars is the farthest from the
Sun.
4. Rotational speed of Earth and Mars are very similar. Rotational speed of Venus
is extremely slow.
5. Abundance of liquid water is only observed on Earth, hence the blue color.

12. 10
What’s New
Analysis of Theories, Concepts and Principles
What factors would make a planet habitable? Observe the earth’s characteristics
that it become unique and habitable.
Factors that make a
Planet Habitable
Functions Right Factors
Temperature Influences how quickly
atoms & molecules move
Life seems limited to a temperature
range of minus 15 °C to 115°C. In
this range, liquid water can still
exist under certain conditions
Water Dissolves & transports
substance within and to
and from a cell
Water is regularly available. Life
can go dominant between wet
periods.
Atmosphere
Traps heat, shields the
surface from harmful
radiation, and provides
chemicals needed for life,
such as nitrogen and
carbon dioxide.
Earth & Venus are the right size to
hold a sufficient-sized atmosphere.
Earth’s atmosphere is about 100
miles thick. It keeps the surface
warm & protects it from radiation
& small- to medium-sized
meteorites
Energy Organisms use light or
chemical energy to run
their life processes.
With a steady input of either light
or chemical energy, cells can run
the chemical reactions necessary
for life.

13. 11
Nutrients Used to build and
maintain an organism’s
body.
All solid planets & moons have the
same general chemical makeup, so
nutrients are present. Those with a
water cycle or volcanic activity can
transport and replenish the
chemicals required by living
organisms.
Earth has a complex system compose of four subsystem- geosphere, hydrosphere,
atmosphere and biosphere that interact to carry out many differential natural
processes (physical, chemical, biological).
Components or Earth’s subsystem
The arrows in the diagram indicate the interaction among the components
SOLAR
ENERGY
Lithosphere Atmosphere
Biosphere
Hydrosphere

14. 12
What is It
Earth is the only planet in the solar system that it is known to have life on it,
no other planet in the solar system to have life on them. The processes that shape
the Earth and its environment are through constant cycle. This cycling sustains life
and leads to the formation of the mineral and resources that are the foundation of
modern technological society. Sun, as the main source of heat by solar radiation
our planet receives. Our earth is protected by the atmosphere 100 miles thick. It
kept the surface warm by insulating the atmosphere & protects it from radiation &
small- to medium-sized meteorites, and it has the right chemical properties for life,
including water and carbon.
According to the National Geographic (www.nationalgeographic.com) A NASA
scientist list 5 essential ingredients needed to sustain life. There must be
temperature, water, sunlight, nitrogen and yes, its oxygen, the evidence of life.
Life, in general can tolerate a wide range of temperature conditions. Planets
should have sufficient size to hold a significant atmosphere, the composition of the
atmosphere specifically the amount of greenhouse gases (The concept of
greenhouse gases and its interconnectivity will be discuss in the succeeding lesson)
influences the earth’s surface temperature. The temperature range that allows
water to exist in the liquid state, about 70% of the Earth is covered with liquid
water, the liquid form turns out to be one of the most important pre-requisite for
life as we know it.

15. 13
On Earth, nutrients are recycled through the hydrologic cycle and plate
tectonics (volcanism). The amount of solar radiation that a planet receives is
primarily a function of distance from the sun, because sunlight is essential for
photosynthesis. A system that will be able to constantly supply nutrients to
organisms as it is important to sustain life.
Thus, this earth’s unique composition and characteristics present in our
planet make the Earth as only planet in the solar system with properties necessary
to support and sustain life.
Earth is the solely planet in the solar system that it is recognized to
have life on it, no other planet has. The processes that shape the Earth and its
environment are through constant cycle. This cycling sustains life. To understand
deeper take a closer look to two pictures below, how subsystem interact to one
another.
Fig. 1 Fig. 2
Do you remember the concept of ecosystem? How everything around us interact
with each other, the same way with the earth subsystem, during summer or hot
weather season what have experience? Do you sometimes feel it’s too much hot
that you think it’s not normal at all? Exactly what the figure shown is the El Nińo
Phenomenon (e.g. hot and dry, no rain, water crisis) It is the result of the
hydrosphere (ocean)-atmosphere interaction and the biological (Biosphere)
response to it is the decrease of fish catch in the ocean. The subsystems of the

16. 14
Earth (atmosphere, hydrosphere, biosphere, and lithosphere) interact with each
other.
Earth system is essentially a closed system. It receives energy from the sun and
returns some of this energy to space. The atmosphere is the thin gaseous layer
that envelopes the lithosphere. The lithosphere includes the rocks of the crust and
mantle, the metallic liquid outer core and the solid metallic inner core. About 70%
of the Earth is covered with liquid water (hydrosphere) and much of it is in the
form of ocean water. The biosphere is the set of all life forms on Earth.
A closed system is a system in which there is an exchange of heat or energy, Warm
air converges and rises to form low pressure zones, cold air descends to form high
pressure regions. The carbon cycle is the process by which carbon is transferred
among the atmosphere, oceans, soil, and living organisms. The water cycle in your
grade 8 class, the process of weathering and erosion (natural and man-made), and
the hydrologic cycle is another important process contributing to the shaping and
reshaping of the surface of the Earth. This is an important link among the
biosphere, hydrosphere, atmosphere, and lithosphere.

17. 15
What’s More
Match Column A with Column B
A B
1. It is kept warm by an insulating atmosphere
2. Is about 100 miles thick. It keeps the surface warm
& protects it from radiation & small- to medium-sized
meteorites
3. It is liquid form turns out to be one of the most
important pre-requisite for life
4. Solar radiation that our planet receives
5. Used to build and maintain an organism
A. Water
B. Sunlight
C. Temperature
D. Nutrients
E. Atmosphere
Based on the objectives stated previously, answer the following questions:
1. What are the unique compositions of earth to make it the only planet
habitable to sustain life?
2. What factors make a planet habitable?
3. Explain why the presence of liquid water is important to life.
4. Identify the factors that influence the earth’s temperature
What I Have Learned

18. 16
What I Can Do
The impact of man to the environment has become so massive,
Deforestations lead to erosion, flooding, decrease in CO2 (hence increase in
greenhouse gases), and loss of habitat (extinction). Industrialization and
development of technology may lead to pollution and over-hunting (extinction), the
use of renewable energy sources reduces.
Write an essay not exceeding 200 words on how man has altered the
atmosphere, biosphere, hydrosphere, lithosphere, and as a consequence, the Earth
System as a whole.
Content 40 %
Ideas well connected 30 %
Organization 20 %
Grammar 10 %
Total 100%

19. 17
Assessment
A. Instruction: Make a Venn diagram of Planet earth to neighbor
planets Venus and Mars, what you have observed and discover in
terms of their physical characteristics and indicate their
similarities.
Venus
Mars
Similarities
Earth

20. 18
B. Instruction: Fill in the correct answer in the space provided.
1.________________ The thin gaseous layer that envelopes the lithosphere.
2.________________ It is the result of hydrosphere (ocean)-atmosphere interaction of
hot and dry water.
3.________________ All life forms on Earth.
4.________________ About 70% of the Earth that is covered with liquid water
5.________________The process by which carbon is transferred among the
atmosphere, oceans, soil, and living organisms.
6._________________ The shaping and reshaping of the surface of the Earth
7._________________ This includes the rocks of the crust and mantle, the metallic
liquid outer core and the solid metallic inner core
8._________________ This type of man’s activity that will lead to erosion, flooding,
decrease in CO2 on the environment.
9._________________ The only planet in solar system that has four subsystems
10.________________ Increase in industrialization and development of technology
may lead to this.

21. 19
Research on the following:
1. How you can help to make our planet earth a better place to live.
2. How you can contribute to make the best out of the abundance of life in your
own ways.
3. How you can help to make our planet earth a better place to live.
4. More complex of man’s massive activities in industrialization
and development of science that leads to poor outcomes on the environment.
Additional Activities

22. 20
What
I
know
1.
Clouds
2.
Water/river
3.
Air
4.
Land
5.
Trees
What
I
Have
Learned
1.
The
earth’s
composition
that
makes
it
unique
to
neighboring
planets
are
atmosphere,
temperature,
water,
nutrients,
and
energy.
2.
The
ability
to
sustain
life
and
the
process
of
life
cycle.
3.
It
dissolves
&
transports
substance
within
and
to
and
from
a
cell,
it
also
influences
how
quickly
atoms
&
molecules
move.
4.
Solar
radiation
(sunlight)
influences
the
earth’s
temperature,
also
the
composition
of
the
amount
of
greenhouse
gases
in
the
atmosphere,
liquid
water
exist
under
certain
conditions
because
of
earth’s
temperature.
What’s
More
1.
C
4.
B
2.
E
5.
D
3.
A
Mars

Mars
is
about
half
the
Earth's
size

Mars
is
the
farthest
from
the
Sun

Rotational
speed
of
Earth
and
Mars
are
very
similar
-inability
to
sustain
life
Venus

Earth’s
twin
planet,
Venus
is
very
similar
size
and
mass
with
the
Earth.

Venus
is
the
nearest
from
the
sun

Rotational
speed
of
Venus
is
extremely
slow
-inability
to
sustain
life
Similarities
•
All
the
three
planets
have
spheroidal
Shape

Similar
size
and
mass
of
Venus
and
Earth.

Venus,
Earth,
and
Mars
are
part
of
the
inner
terrestrial
or
"rocky"
planets

Orbital
period
and
velocity
are
related
to
the
planet's
distance
from
the
sun
Planet
Earth

Atmosphere

Water

Energy

Temperature

Nutrients
-ability
to
sustain
life
Assessment
A
Assessment
B
1.
Atmosphere
2.
El
Nińo
3.
Biosphere
4.
Hydrosphere
5.
Carbon
cycle
6.
Hydrolic
cycle
7.
Lithosphere
8.
Deforestation
9.
Earth
10.
Pollution
Answer Key
What’s
In
1.
The
color
blue
for
Earth
is
significant
-
liquid
water.
The
size
difference/
similarity
is
also
important.
2.
Similar
size
and
mass
of
Venus
and
Earth.
Mars
is
about
half
the
Earth's
size.
3.
All
the
three
planets
have
spheroidal
shape.
4.
Rows
color
coded
to
indicate
relationship.
1.
Atmosphere-
Air
2.
Hydrosphere-
Water
3.
Geosphere-
Land
4.
Biosphere-
Living
organism

23. 21
References
Teacher Guide for Senior High School Earth and Life Science
Published by the Commission on Higher Education, 2016
and Philippine Normal University
DepEd (2016). K to 12 Curriculum Guide. Earth and Life Science
Pictures
4Pics1Word-Answers.com, LLC. 2020. 4 Pics 1 Word Level 893. Image.
https://4pics1word-answers.com/level-893/.
4 Pics 1 Word Daily Puzzle Answer. 2020. 4 Pics 1 Word Answer Raindrop. Image.
https://4pics1wordanswer.com/4-pics-1-word-answer-raindrop/.
Heavy, Inc. 2020. 4 Pics 1 Word Puzzles. Image. https://heavy.com/4-pics-1-word-
cheats/2014/04/sad-flat-crushed-balloon/.
Websites
Avice, Guillaume & Marty, Bernard. 2020. "Perspectives On Atmospheric Evolution
From Noble Gas And Nitrogen Isotopes On Earth, Mars And Venus -
Astrobiology". Astrobiology.com.
http://astrobiology.com/2020/03/perspectives-on-atmospheric-evolution-
from-noble-gas-and-nitrogen-isotopes-on-earth-mars-and-venus.html.
Journal
CVA, Kinkpe. 2017.
"https://www.medwinpublishers.com/JOBD/JOBD16000139.pdf". Journal
of Orthopedics & Bone Disorders 1 (7). Medwin Publishers.
doi:10.23880/jobd-16000139.

24. For inquiries or feedback, please write or call:
Department of Education – Region III,
Schools Division of Bataan - Curriculum Implementation Division
Learning Resources Management and Development Section (LRMDS)
Provincial Capitol Compound, Balanga City, Bataan
Telefax: (047) 237-2102
Email Address: bataan@deped.gov.ph