Air Around Us

Which of the following statement is true about air?

• There are more air particles higher up

• The highest air pressure is at the Earth's surface

• The lowest air pressure is at the Earth's surface

• Air becomes thicker as you go higher up

Air pressure ___________ as altitude ___________.

• stays the same, decreases

• stays the same, increases

• decreases, increases

• increases, decreases

Moving air is called _________

• wandering

• active

• magic

• wind

Tags

NGSS.MS-ESS2-5

Which of the following is NOT present in air?

• Oxygen

• Nitrogen

• Helium

• Iron

Envelope of air that surrounds the earth is known as

• biosphere

• atmosphere

• environment

• ecosystem

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

The components of air which is taken by Plants to prepare the food?

• O₂

• N₂

• CO₂

• None of these

Tags

NGSS.MS-LS1-6

The presence of water vapor is Air is important for

• A

• B

• C

• D

Tags

NGSS.MS-ESS2-5

Which of the following gas helps in burning? ,

• (a) Nitrogen

• (b) Oxygen

• (c) Carbon dioxide

• (d) Carbon monoxide

Air is present in

• A

• B

• C

• D

Warm air is.................as compared to cold air.

• Heavier

• Lighter

• no change

• none of the above