COmposition of Air

Air is made up of a number of gases. Name the gas found in air that is useful for the process of respiration.

• nitrogen

• oxygen

• water vapor

• carbon dioxide

Nitrogen is a gas found in air. What percentage of the air is made up of nitrogen?

• 78 %

• 21%

• 0.04%

• 0.06%

Which of the choices below are uses of nitrogen?

• moisture

• produces protein

• photosynthesis

• fertilizers

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which is a use of carbon dioxide

• used in respiration

• used for life support

• used in fire extinguishers

• used to make fertilizers

Nitrogen is an active component.

• True

• False

Tags

NGSS.MS-LS2-3

Nitrogen is utilized by?

• Animals

• Humans

• Plants

Oxygen supports combustion.

• True

• False

_____ is released into the air as a result of all burning.

• Oxygen

• Nitrogen

• Carbon dioxide

• None of above

Tags

NGSS.MS-PS1-2

Argon is inert

• True

• False

Helium is used in -

• Balloons

• In filament bulbs

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