Practice Worksheets for Class 6 Science Chapter 15 Air Around Us

Question 1
State True or False
(a) Nitrogen supports burning of a candle
(b) Dust particles are always present in air
(c) Water Vapour present in Air supports the water cycle
(d) Birds, insect can fly because of the air
(e) Plants absorb oxygen to prepare the food (f) Air is primary made of Hydrogen and Helium

Answer

1. False
2. True
3. True
4. True
5. False
6. False

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Question 2
Fill in the Blank
a. The process of absorbing carbon dioxide from air and preparing the food by plants is called ______________
b. Air is _______________ and not _______.
c. The layer of gases around the earth is called as _______________.
d. Air occupies ______________ and has ___________
e.Organism living in soil breathe through ______________.
f. Air is primary made of ______ and ________
g. Removal of water from plant bodies in the form of vapours is called __________
h. Clothes dry faster when there is ______ water vapour in air

Answer

1. Photosynthesis
2. Odourless, not visible
3. Atmosphere
4. Space, Weight
5. Air present in soil
6. Nitrogen, Oxygen
7. Transpiration
8. less

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Question 3
Match the following

Column A	Column B
Oxygen is required	Ammonia
Nitrogen is used to prepare	photosynthesis
CO2 is used in	Electric Bulb
Argon is used	Combustion
Water Vapour	Low temperature
Helium	Water cycle

Answer

Column A	Column B
Oxygen is required	Combustion
Nitrogen is used to prepare	Ammonia
CO2 is used in	photosynthesis
Argon is used	Electric Bulb
Water Vapour	Water cycle
Helium	Low temperature

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Question 4
Solve the below crossword

Across
2. This gas is used for treating cancer patient
3. The blanket of gases that surrounds the earth
4. These animals used air dissolved in water for respiration
5. it is colourless and odour less
7. The gas which helps in combustion
8. This process involves utilization of carbon dioxide from air and release of oxygen into the air. Down
1. The major part in air
2. Air is used by animals for this process
6. The device used to convert wind energy into electrical energy

Answer

Answer 4
1. Nitrogen
2. Radon,respiration
3. Atmosphere
4. Aquatic
5. Air
6. Windmill
7. Oxygen
8. Photosynthesis

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Question 5
FILL IN THE BLANKS

1. ____________________ gas is not found free in air.
2. Winnowing is more effective in __________________ air.
3. ____________________ supports burning of a candle.
4. Air in motion is called ________________..
5. Lime water turns ____________. when carbon dioxide is passed through it.

Answer

1. Hydrogen
2. Moving
3. Oxygen
4. Wind
5. Milky

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Question 6
TRUE OR FALSE

1. Plants do not use oxygen
2. Fan circulates the air.
3. Oxygen is less on mountains.
4. The content of water vapour in the air is not expressed in terms of humidity.
5. Air has no colour and one can see through it.

Answer

1. False
2. True
3. True
4. False
5. True

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Question 7
UNSCRAMBLE THE FOLLOWING:

1. PTROSAHEEM
2. NNIGROTE
3. IRXETUM
4. IDNW
5. EOONZ

Answer

1. ATMOSPHERE
2. NITROGEN
3. MIXTURE
4. WIND
5. OZONE

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Question 8
SELECT THE ODD ONE OUT:

1. Argon, oxygen, oil, nitrogen
2. Sewage, dust, smoke, solid particles.
3. Pollination of flowers, dispersal of seed, fertilization, role in water cycle.
4. Lungs, land, gills, nose
5. Ozone, UV rays, humidity, skin cancer

Answer

1. Oil
2. Sewage
3. Fertilization
4. Gills
5. Humidity

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Download Practice Air Around Us as pdf
Also Read

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• Notes
  • Air Around Us Class 6 Notes
  • Air Around Us Revision Notes
• Assignments & NCERT Solutions
  • NCERT Solution Air Around Us
  • Worksheet Air Around Us
  • Important questions Air Around Us
  • Extra questions Air Around Us

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