1. Science relates to phenomena in the natural world and enables technological development that benefits humanity.
2. It involves identifying problems, forming hypotheses, planning experiments, collecting and analyzing data, and reporting conclusions.
3. Scientists use various instruments and follow standardized measurement systems to study topics like health, transportation, and communication.
Unit 1, Lesson 1.1 - Introduction to Sciencejudan1970
Unit 1, Lesson 1.1 - Introduction to Science
Lesson Outline:
1. What is Science?
2. Science as a Body of Knowledge
3. Science as a Product and a Process
4. Limits of Science
Introduction to physics--Branches of Physics--Importance of physicsKhanSaif2
This presentation covers about physics, branches of physics and importance of physics in a very interactive manner. I hope this presentation will be helpful for teachers as well as students.
Unit 1, Lesson 1.1 - Introduction to Sciencejudan1970
Unit 1, Lesson 1.1 - Introduction to Science
Lesson Outline:
1. What is Science?
2. Science as a Body of Knowledge
3. Science as a Product and a Process
4. Limits of Science
Introduction to physics--Branches of Physics--Importance of physicsKhanSaif2
This presentation covers about physics, branches of physics and importance of physics in a very interactive manner. I hope this presentation will be helpful for teachers as well as students.
Physical Quantities--Units and Measurement--Conversion of UnitsKhanSaif2
This presentation covers physical quantities and their types, units and their types, conversion of units and order of magnitude in a very interactive manner. I hope this presentation will be helpful for teachers as well as students.
This is the second of a two part lesson on the scientific method. The earlier lesson was all about variables and this one focuses more on the procedures of the scientific method, at about the 5th and 6th grade level.
This is a very basic, introductory power point presentation of cells. This power point is designed as a quick way to gauge 7th grade life science students in the learning of cells.
Physical Quantities--Units and Measurement--Conversion of UnitsKhanSaif2
This presentation covers physical quantities and their types, units and their types, conversion of units and order of magnitude in a very interactive manner. I hope this presentation will be helpful for teachers as well as students.
This is the second of a two part lesson on the scientific method. The earlier lesson was all about variables and this one focuses more on the procedures of the scientific method, at about the 5th and 6th grade level.
This is a very basic, introductory power point presentation of cells. This power point is designed as a quick way to gauge 7th grade life science students in the learning of cells.
A Bunsen burner is a device used in the laboratory in producing a hot clean flame by burning a fuel gas in air.
Glass bends are important tools in any laboratory work.
Biochemistry 00 me know if you are free hoke call kar rahe ho nhi tho I am a bit of a good day 🌸 with me know when the same as the affair with WhatsApp Messenger is your post on Facebook follow kia ha phr b ha na milal h to you and happy new song ha ha ha hai yarrr me to do with me on my profile and would appreciate a reply nhi Kiya to you bro for your time and consideration and I am a little little time to you bro 🥳🥳🎂 God you too true caller me know if the reader is not sure what happened with WhatsApp Messenger is it free of cost me hi nhi h kya kar Rahi ho app se bhi nhi ha tho app mere paas bhi hai kya hai ye bhi tho hum dono ko bhi nahi paa Raha ha mujhe bhi nhi pata chala hai to kya ha na mam jo mama and papa ke surgery khatir apni marji se baat Hui ha kya ha to jawab de Raha h ki nahi kariye na to jawab do baar ka ha apan name mummy promise to you and your family happy Holi festival and Holi festival of Eid Mubarak to everyone and everything will go on you 😊🥳🥳🔥 me know when the same as the affair with WhatsApp number bhej dihe aapn aur sister ke liye bhi nhi hai kya hua tha kya hua ha to get enough of a good morning to all about it and I will reach in evening or tomorrow morning me hu na ha ha ha 🤣🙃😔🙃😔😔🙃🎂🎈🥳🥳🎂🎉🎂🎈🥳 Stay happy Birthday to you bro for the exam will be received by the way I will reach out to jawab jawan group of companies but lab antivirus software Bangladesh ke liye bhi nhi hai kya hua to your time and consideration ❣️ me
How to Create Map Views in the Odoo 17 ERPCeline George
The map views are useful for providing a geographical representation of data. They allow users to visualize and analyze the data in a more intuitive manner.
Synthetic Fiber Construction in lab .pptxPavel ( NSTU)
Synthetic fiber production is a fascinating and complex field that blends chemistry, engineering, and environmental science. By understanding these aspects, students can gain a comprehensive view of synthetic fiber production, its impact on society and the environment, and the potential for future innovations. Synthetic fibers play a crucial role in modern society, impacting various aspects of daily life, industry, and the environment. ynthetic fibers are integral to modern life, offering a range of benefits from cost-effectiveness and versatility to innovative applications and performance characteristics. While they pose environmental challenges, ongoing research and development aim to create more sustainable and eco-friendly alternatives. Understanding the importance of synthetic fibers helps in appreciating their role in the economy, industry, and daily life, while also emphasizing the need for sustainable practices and innovation.
Operation “Blue Star” is the only event in the history of Independent India where the state went into war with its own people. Even after about 40 years it is not clear if it was culmination of states anger over people of the region, a political game of power or start of dictatorial chapter in the democratic setup.
The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
The Indian economy is classified into different sectors to simplify the analysis and understanding of economic activities. For Class 10, it's essential to grasp the sectors of the Indian economy, understand their characteristics, and recognize their importance. This guide will provide detailed notes on the Sectors of the Indian Economy Class 10, using specific long-tail keywords to enhance comprehension.
For more information, visit-www.vavaclasses.com
The French Revolution, which began in 1789, was a period of radical social and political upheaval in France. It marked the decline of absolute monarchies, the rise of secular and democratic republics, and the eventual rise of Napoleon Bonaparte. This revolutionary period is crucial in understanding the transition from feudalism to modernity in Europe.
For more information, visit-www.vavaclasses.com
Welcome to TechSoup New Member Orientation and Q&A (May 2024).pdfTechSoup
In this webinar you will learn how your organization can access TechSoup's wide variety of product discount and donation programs. From hardware to software, we'll give you a tour of the tools available to help your nonprofit with productivity, collaboration, financial management, donor tracking, security, and more.
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An EFL lesson about the current events in Palestine. It is intended to be for intermediate students who wish to increase their listening skills through a short lesson in power point.
The Roman Empire A Historical Colossus.pdfkaushalkr1407
The Roman Empire, a vast and enduring power, stands as one of history's most remarkable civilizations, leaving an indelible imprint on the world. It emerged from the Roman Republic, transitioning into an imperial powerhouse under the leadership of Augustus Caesar in 27 BCE. This transformation marked the beginning of an era defined by unprecedented territorial expansion, architectural marvels, and profound cultural influence.
The empire's roots lie in the city of Rome, founded, according to legend, by Romulus in 753 BCE. Over centuries, Rome evolved from a small settlement to a formidable republic, characterized by a complex political system with elected officials and checks on power. However, internal strife, class conflicts, and military ambitions paved the way for the end of the Republic. Julius Caesar’s dictatorship and subsequent assassination in 44 BCE created a power vacuum, leading to a civil war. Octavian, later Augustus, emerged victorious, heralding the Roman Empire’s birth.
Under Augustus, the empire experienced the Pax Romana, a 200-year period of relative peace and stability. Augustus reformed the military, established efficient administrative systems, and initiated grand construction projects. The empire's borders expanded, encompassing territories from Britain to Egypt and from Spain to the Euphrates. Roman legions, renowned for their discipline and engineering prowess, secured and maintained these vast territories, building roads, fortifications, and cities that facilitated control and integration.
The Roman Empire’s society was hierarchical, with a rigid class system. At the top were the patricians, wealthy elites who held significant political power. Below them were the plebeians, free citizens with limited political influence, and the vast numbers of slaves who formed the backbone of the economy. The family unit was central, governed by the paterfamilias, the male head who held absolute authority.
Culturally, the Romans were eclectic, absorbing and adapting elements from the civilizations they encountered, particularly the Greeks. Roman art, literature, and philosophy reflected this synthesis, creating a rich cultural tapestry. Latin, the Roman language, became the lingua franca of the Western world, influencing numerous modern languages.
Roman architecture and engineering achievements were monumental. They perfected the arch, vault, and dome, constructing enduring structures like the Colosseum, Pantheon, and aqueducts. These engineering marvels not only showcased Roman ingenuity but also served practical purposes, from public entertainment to water supply.
Unit 8 - Information and Communication Technology (Paper I).pdfThiyagu K
This slides describes the basic concepts of ICT, basics of Email, Emerging Technology and Digital Initiatives in Education. This presentations aligns with the UGC Paper I syllabus.
2. MEANING OF science
Science is a knowledge that relates to the world around us
RELATED PHENOMENA
Parrot is
able to fly
Chameleon
changes its
Reproduction Ice melting skin color
3. Importance of science
Science enables the development of new
technologies to benefit mankind.
FIELDS OF DEVELOPMENT
Health Transportation Communication
4. Career in the science field
Scientists
Nurses
Doctors Engineers
5. HAZARDOUS symbols
Symbol Symbol
Flammable Corrosive
• Burns easily • May destroy living
• Examples: alcohol, tissues on contact
petrol, kerosene & • Examples: bromine,
ether concentrated acids
and alkali
Irritant Poisonous
• Can cause rashes and • Can cause harm or
discomfort to the skin death if in contact
• Examples: bromine, with skin, swallowed
sulphur dioxide and or inhaled
ammonia • Examples: mercury
Explosive Radioactive
• Explode easily • Releases radiation
• Examples: sodium and • Examples: uranium,
potassium radium and plutonium
6. Laboratory apparatus
Test tubes Beaker Measuring cylinder Pipette
• To hold small • To hold liquid • To measure the • To measure fixed
quantities of volume of a liquid amount of volume
liquids of a liquid.
Filter funnel Bunsen burner Tripod stand Flask
• To divert liquids • To heat things up • To support beaker • To hold liquids
into a container in the laboratory or flask while
such as conical heating
flask or beaker
7. Evaporating dish Wire gauze Thermometer Retort stand & clamp
• To evaporate • To spread out the • To measure • To hold apparatus
liquids heat of the flame temperature at different heights
eventually
Burette Tube rack Stopwatch Pestle and mortar
• To measure • To place test tubes • To record time • To crush solid into
volume of a liquid powder
accurately to
0.1cm3
8. Cork and stopper Spatula Glass rod Dropper
• To close the mouth • To transfer solid • To stir liquids in a • To transfer small
of test tubes and chemicals container amount of liquid
flasks
Filter paper Test tube tolder Crucible with lid Crucible tongs
• Used together • To hold the test • To contain solids • To hold hot
with a filter funnel tubes when it is that can be heated crucible and lids
to separate solid being heated directly without
from liquids using wire gauze
9. Steps in scientific investigation
❶ Identifying a problem
❷ Forming a hypothesis
❸ Planning the experiment
❹ Controlling variables
❺ Carrying out investigation
❻ Reporting
10. ❶ Identifying a problem
• Arise from a desire to know what happens in our
surroundings.
• Examples:
- Why do birds fly but not ostrich?
- Why do cactus able to grow on a deserted land
with no water available?
❷ Forming a hypothesis
• A hypothesis is an early idea or explanation for the
phenomena that we observe.
• A hypothesis can only be accepted or proven true
after going through experiments. If the hypothesis
is not true, a new hypothesis has to be formed.
11. ❸ Planning the experiment
• A list of material and apparatus required and the
way they should be carry out are made before an
experiment can begin.
• Moreover, we need to determine the way to
collect, analyze and interpret the data obtained
from the experiments.
12. ❹ Controlling variables
• Variables are situations and factors that are controlled
and change in an investigation.
• Types of variables:
(a) A variable that is kept constant
- variables that are kept constant or fixed
(b) A variable that is manipulated (changed)
- variables that are used to test the hypothesis
(c) A variable that responds
- results are collected from the variables that are
changed when testing a hypothesis
13. ❺ Carrying out investigation
• Steps that are to be followed:
(1) Collecting data
- all data are observed and measured accurately
(2) Analyzing and interpreting data
- the data is then presented in a table or chart
- interpretation is made from the table or chart
(3) Making conclusions
- an accurate statement to describe the problems
identified throughout the experiment
- determine whether to accept or reject the
hypothesis
14. ❻ Reporting
Title/Aim:
Hypothesis:
• A report is made after
conducting a scientific Variables:
(a) Constant
experiment based on (b) Manipulated
(c) Responds
the format shown:
Material/apparatus:
Procedure:
Results/Observations:
Discussion:
Conclusion:
15. Physical quantities and units
• Physical quantities are used to measure values of
certain aspects (length, mass, time)
• The International System of Units (SI) is used as a
standard unit by scientists around the world.
• Examples:
Physical
Physical
SI unit quantity
Quantity
Length metre (m) Example:
Length = 10 m
Time seconds (s)
Mass kilogram (kg)
Value Unit
Temperature kelvin (K)
16. Prefixes
• Prefix is used to record readings that are too big or too small
Prefix Symbol Actual value of the Value of the symbol
symbol in standard form
tera T 1 000 000 000 000 X 1012
giga G 1 000 000 000 X 109
mega M 1 000 000 X 106
kilo k 1 000 X 103
deci d 0.1 X 10-1
centi c 0.01 X 10-2
milli m 0.001 X 10-3
micro μ 0.000 001 X 10-6
nano n 0.000 000 001 X 10-9
pico p 0.000 000 000 001 X 10-12
17. Change to prefix form Change to standard form
(a) 2 000 m to km (c) 4.5 mm to m
2 000 m = 2 X 103 m = 2 km 4.5 mm = 4.5 X 10-3 m
Physical Standard Prefix Prefix Standard
quantity form form form form
(b) 0.05 m to cm (d) 8.5 μg to g
0.05 m = 5.0 X 10-2 m = 5.0 cm 8.5 μg = 8.5 X 10-6 g
Physical Standard Prefix Prefix Standard
quantity form form form form
18. MEASUREMENT OF MASS
Mass Weight
A measure of the Definition A measure of the
amount of matter in gravitational force on
an object an object.
Always constant, no Does it Depending on where
matter the location. change with the object is in
location? relation to the earth
kilogram (kg) Unit used Newton (N)
gram (g)
Electronic Measured Spring
balance with scale
19. MEASUREMENT OF LENGTH
• Length is the distance
between two points and is TOOLS TO MEASURE
measured in the unit of:
Measuring Calipers
1 cm = 10 mm tapes
1 m = 100 cm
1 km = 1 000 m External Internal
calipers calipers
Correct way of reading
measurement
20. MEASURING LENGTH
Straight line Curved line Diameter
Measured by Measured by
measuring Internal External
thread and
tapes: ruler: Measured Measured
by internal by external
caliper caliper
External
Internal caliper
Thread Curved line caliper
21. MEASUREMENT OF AREA
• Area is the total surface or space occupies by an object
Area = length X width
MEASURING AREA
Regular shape Irregular shape
1 cm
1 cm
Area = 3 cm X 3 cm
Estimated area = 12 cm2
= 12 cm2
22. MEASUREMENT OF volume
• Volume is the total
MEASURING LIQUIDS
space occupied by an
object & the units are: Fixed volume Variable volume
1 ml = 1 cm3 Used to measure Used to measure
1 l = 1 000 ml volume accurately to any volume ranging
= 1 000 cm3 5 ml, 10ml, 25 ml, from 0.1 cm3 to
50ml and 100ml 100 cm3
Correct way of reading
measurement
WRONG
volumetric measuring
CORRECT pipette
flask cylinder
burette
WRONG
23. MEASURING SOLID
Regular Shape Irregular Shape
Using measuring Using eureka
cylinder can
Volume of the box
= length X width X height
= 2 cm X 1 cm X 2 cm
= 4 cm3 Volume of stone Volume of stone
= volume after – = volume being
volume before displaced from
= 40 cm3 – 30 cm3 the beaker
= 10 cm3 = 30 cm3