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GIIS - Class 1 - Environmental Science - We Need Air
Q 1. Write True or False.
Air is all around us.
We can see air but we
cannot feel air.
Empty bottle is filled
with air.
There is air in the
brick.
Water has air into it.
Human beings breathe air.
Fish and other water
animals do not need air.
Plants do not breathe
air.
Air takes up the space
inside the balloon and make it bigger.
Fire do not need an air.
When we cover a burning
candle with a glass, the candle stops burning.
Air can be used to make
sound.
Air cannot be used to dry
clothes.
Bicycle tyres are filled
with the air.
Air is used for burning.
Air moves the blades of
water mill.
Water mills and wind
mills are used to produce electricity.
There is no air on the
moon.
Windmills are installed
indoor.
Air has a weight.
Air cannot lift things.
Whistle and flute makes a
sound because of air.
A balloon without air is
heavier than balloon with air.
A breeze cannot break a
tree but a storm can break a tree.
Air takes up space.
Absence of air is known
as a vacuum.
Storm is strong air and is harmful.
Storm is strong air and is harmful.
Q 2. Fill in the blanks
Air is all ___________
us.
We cannot ___________
air, but we can ____________ air.
Even an ________________
bottle is filled with air.
When you put a brick into
water you can see ____________ coming out of it.
Fish and other water
animals and plants __________ the air in water.
When we __________ into a
balloon, air takes up the space ____________ the balloon making it bigger.
Fire needs air to
___________.
When we _______________ a
burning candle with a glass the candle stop burning.
Air is used to make
________.
Air is used to fill
_____________ and __________.
Air is used to dry
_______________.
Air is used for
______________.
Air moves the
______________ of the windmill.
Windmill produces
_____________.
There is no air the
_____________.
A balloon filled with air
is ____________ than a balloon without air.
Air has _____________.
Air can push and make
things _____________.
Air can lift
______________.
We can fill lots of air
in a ___________ space.
When we blow air into a
_______________ it makes a sound.
__________ carries sound
from its source to our ears.
Q 3. Where is air?
Ans:
Q 4. What we cannot see
but feel?
Ans:
Q 5. What does empty
bottle contain?
Ans:
Q 6. Why does bubbles
come out when you put a brick in to water?
Ans:
Q 7. Where from fish gets
air for breathing?
Ans:
Q 8. What does animal and
plants breathe?
Ans:
Q 9. Why does balloon
becomes bigger after blowing?
Ans:
Q 10. What does fire need
to burn?
Ans:
Q 11. What happens when
you cover a burning candle with a glass?
Ans:
Q 12. Why burning candle
goes off when you cover with the glass?
Ans:
Q 13. Write 6 uses of
air.
Ans: 1.
2.
3.
4.
5.
6.
Q 14. Write one use of
air without which we cannot live.
Ans:
Q 15. How does windmill
produce electricity?
Ans:
Q 16. Why do plants need
air?
Ans:
Q 17. We store biscuits
in an air-tight jar to store it for a long time. What is an airtight Jar?
Ans:
Q 18. Explain how air has
weight?
Ans:
Q 19. Why do we need air
to hear sound?
Ans:
Q 20. A breeze cannot
break a tree but a storm can break a tree. Why?
Ans:
Q 21. Newspapers kept on
a table fly when the fan is put on. Why?
Ans:
Q 22. Which is heavier –
a football fully filled with air or a football half-filled with air? Why?
Ans:
Q 23. Name two things
that make sound when we blow air into them.
Ans: 1.
2.
Q 24. There is no air on
the moon. If you and your friend go to the moon, would you be able to hear each
other speak? Why?
Ans:
Q 25. Why do animals need
air?
Ans:
Q 26. Why do we clip
clothes while drying them?
Ans:
Q 27. Circle the odd
word.
Plant, Animals, People,
Water
Brick, Airtight Jar,
Bottle, Water
Moon, Airtight Jar,
Burning Candle, Vacuum
Whistle, Flute, Microphone,
Weight
Air, Water, Fire, Sand
Sound, Air, Water, Music
Q 28. Write two natural things
without which following cannot live.
Fish
|
|
People
|
|
Plant
|
|
Birds
|
Q 29. Cross which is not
true in case of Air.
Air is everywhere.
|
|
Air can be seen.
|
|
Air has weight.
|
|
Air takes space.
|
|
There is air on the moon.
|
|
Oil is used for burning and not air.
|
|
Air produces electricity using windmill.
|
Q 30. Complete the
following table.
Activity
|
What will happen?
|
Why did it happen?
|
Prick the balloon
|
||
Blow cotton ball
|
||
Blow stone
|
||
Blow air in the balloon
|
||
Tire punctures
|
||
Blow air into flute
|
||
Cover a burning candle
|
||
Air on windmill blade
|
Q 31. In which set, will
candle/candles burn for longer? Why?
Ans:
Q 32. What will happen to
the car when the flat tire is filled with air?
Ans:
Q 33. Which balloon is
heavier?
Ans:
Q 34. Tick the things
which has air in it.
Q 35. Write use of air by looking at the
picture.
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