Water: The Elixir of Life
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Sources and Uses of Water
SubtopicSources and Uses of Water under Water: The Elixir of Life for Grade 3 CBSE.
Preview questions (no answers)
- 1.
Which of these is a source from which we get water that is stored under the earth?
A.Tube well
B.Rain
C.Waterfall
D.Cloud
- 2.
Why do wet clothes dry when we hang them in the sun?
A.The water turns to ice
B.The sun's heat turns water to vapor
C.The water changes into cloth
D.The wind makes more water
- 3.
What is a large body of water that is completely surrounded by land?
A.River
B.Sea
C.Lake
D.Ocean
- 4.
Which of these is useful for putting out a fire at home or in school?
A.Oil
B.Paper
C.Water
D.Clothes
- 5.
Which of the following should be done to keep our water sources clean?
A.Wash clothes near the river
B.Bathe animals in the pond
C.Avoid throwing plastic and waste into rivers
D.Dump factory waste into the sea
- 6.
Why do animals like elephants go to a riverbank?
A.Only to play with other animals
B.To drink water and cool their bodies
C.To sleep underwater
D.To find wood
- 7.
Which of these water bodies contains salty water that we cannot use for cooking?
A.Stream
B.Ocean
C.Lake
D.Pond
- 8.
What is the main source of all freshwater found on the Earth's surface?
A.The Ocean
B.The Rain
C.The Tap
D.The Sewer
- 9.
Why is 'Drip Irrigation' (giving water drop by drop to the roots) considered a 'smart' use of water in farming?
A.It makes the plants grow into giant trees
B.It saves water by reducing waste and providing water exactly where the plant needs it
C.It is the only way to water plants
D.It makes the soil look like it is raining
- 10.
If you put a drop of ink in a glass of water, the whole glass eventually turns that color. What property of water does this demonstrate?
A.Water is very heavy
B.Water particles are always moving and can mix with other substances
C.Water always stays still
D.Water is made of tiny magnets
Download the worksheet for Water: The Elixir of Life - Sources and Uses of Water to practice offline. It includes additional chapter-level practice questions.
The Amazing World of Solutes, Solvents, and Solutions
SubtopicThe Amazing World of Solutes, Solvents, and Solutions under Water: The Elixir of Life for Grade 3 CBSE.
Preview questions (no answers)
- 1.
If you pour a little bit of coconut oil into water, it forms a separate layer on top. This shows that oil is:
A.Soluble in water
B.Insoluble in water
C.The solvent
D.A solution
- 2.
Water is the elixir of life. Which of these is a good way to save water?
A.Leaving the tap open while brushing
B.Using a bucket instead of a shower
C.Playing with water balloons
D.Washing the car every day
- 3.
To make sure our drinking water is safe and clean, we often ________ it to kill germs.
A.Freeze
B.Boil
C.Color
D.Shake
- 4.
Which of these is a powder often mixed with water to give us energy when we are tired?
A.Sand
B.Glucose powder
C.Sawdust
D.Chalk
- 5.
What is the main difference between a 'salt and water' mixture and a 'sand and water' mixture?
A.Salt is a solid, sand is not
B.Salt dissolves in water, sand does not
C.Sand changes the color of water, salt does not
D.Salt is heavier than sand
- 6.
Fine powdered sugar dissolves faster than a big sugar cube because:
A.Powdered sugar is sweeter
B.The smaller pieces touch the water more easily
C.Powdered sugar is lighter in weight
D.The sugar cube is colder
- 7.
When making a clear bowl of soup, the warm liquid broth that dissolves the salt and spices acts as the:
A.Solvent
B.Solute
C.Residue
D.Filtrate
- 8.
Which of the following scientists' observations is most likely describing a solution?
A.Scientist A: 'I mixed two things and could see the pieces of both floating around.'
B.Scientist B: 'I mixed two things and they formed a clear, uniform liquid that didn't change over time.'
C.Scientist C: 'I mixed two things and one immediately sank to the bottom and stayed there.'
D.Scientist D: 'I mixed two things and they formed two separate layers like oil and water.'
- 9.
In the ocean, which of the following acts as the solvent?
A.Salt
B.Fish
C.Water
D.Sand
- 10.
What is the primary difference between a 'solute' and a 'solvent'?
A.The solute is always a liquid and the solvent is always a solid
B.The solute is the substance being dissolved, and the solvent does the dissolving
C.The solute is always water
D.The solvent is always the substance in smaller quantity
Download the worksheet for Water: The Elixir of Life - The Amazing World of Solutes, Solvents, and Solutions to practice offline. It includes additional chapter-level practice questions.
It's Raining: The Water Cycle and Weather
SubtopicIt's Raining: The Water Cycle and Weather under Water: The Elixir of Life for Grade 3 CBSE.
Preview questions (no answers)
- 1.
What can you see coming out of a whistle of a pressure cooker when food is being cooked?
A.Ice
B.Steam
C.Rain
D.Snow
- 2.
Which of these kitchen activities absolutely needs water?
A.Cutting vegetables
B.Cooking rice
C.Peeling a banana
D.Setting the table
- 3.
What is a wall built across a river to store water called?
A.Bridge
B.House
C.Dam
D.Road
- 4.
What happens to the rain water that falls on the forest floor?
A.It all disappears into space
B.It is absorbed by the soil and roots
C.It turns into fire
D.It stays on the leaves forever
- 5.
Which of these happens first in the formation of rain?
A.Water falls as rain
B.Clouds become heavy
C.The Sun heats up the water in rivers
D.Water turns into ice in the sky
- 6.
What is the name of the state of water when it is in the form of 'fog' or 'clouds'?
A.Solid
B.Liquid
C.Gas
D.Metal
- 7.
Water is necessary for all living things. Humans need water primarily for:
A.Digestion and staying hydrated
B.Making their own food like plants
C.Walking long distances
D.Changing their body color
- 8.
Why does a metal spoon feel wet when you hold it over a steaming cup of tea?
A.The cool spoon causes the hot steam to turn back into liquid water
B.The tea splashes onto the spoon without us seeing it
C.The spoon absorbs water from the air like a sponge
D.The metal turns into water when it gets warm
- 9.
Which of these processes is the opposite of 'Evaporation' in terms of state change?
A.Condensation
B.Precipitation
C.Collection
D.Transpiration
- 10.
If the sun's energy suddenly increased by , what change would we likely see in the water cycle?
A.Faster evaporation and more frequent storms
B.The water cycle would stop because it would be too hot
C.Gravity would increase and pull all the clouds down
D.Plants would stop transpiration to save water
Download the worksheet for Water: The Elixir of Life - It's Raining: The Water Cycle and Weather to practice offline. It includes additional chapter-level practice questions.
Water Conservation: Drop by Drop
SubtopicWater Conservation: Drop by Drop under Water: The Elixir of Life for Grade 3 CBSE.
Preview questions (no answers)
- 1.
What should you do with the water left in your school water bottle at the end of the day?
A.Throw it on the floor
B.Pour it into a plant pot
C.Spill it on your friend
D.Leave it in the bottle for a week
- 2.
Which of these activities does NOT need water?
A.Cooking soup
B.Bathing a pet
C.Reading a book
D.Mopping the floor
- 3.
Which of these is true about water?
A.It has a square shape
B.It has no smell
C.It is always red in color
D.It has a bitter taste
- 4.
Which of these is a source of water found in villages where people pull water using a rope and bucket?
A.Handpump
B.Well
C.River
D.Lake
- 5.
What is the best habit to follow when taking a bath to conserve water?
A.Using a shower for a long time
B.Filling a large bathtub to the top
C.Using a bucket and a mug
D.Using a hose pipe connected to a tank
- 6.
Which of these is the most important reason why all living things need water?
A.To play and have fun
B.To stay clean and look good
C.To stay alive and carry out body functions
D.To make the Earth look green
- 7.
Why is it said that we should 'save every drop' of water?
A.Because water is very expensive to buy
B.Because water drops are very pretty to look at
C.Because the amount of usable fresh water is limited
D.Because it is very difficult to count water drops
- 8.
Which of these is the most responsible way to use water during a festival like Holi?
A.Using water balloons and high-pressure hoses.
B.Using only dry colors (Gulal) and avoiding the use of water.
C.Using a lot of water to wash off the colors for 2 hours.
D.Filling up large tanks with water just in case.
- 9.
In a high-rise building, which method can save the most water in the long run?
A.Everyone drinking less water.
B.Connecting the roof pipes to an underground recharge pit.
C.Painting the building blue to match the water.
D.Washing the building every day with a hose.
- 10.
Why does water disappear from a puddle on the road after the sun comes out?
A.The road drinks the water.
B.The water turns into invisible water vapor due to heat.
C.The water moves to the other side of the world.
D.The water turns into small pebbles.
Download the worksheet for Water: The Elixir of Life - Water Conservation: Drop by Drop to practice offline. It includes additional chapter-level practice questions.