AIR

____________ is present all around us.

• Water

• Air

• Ice

Tags

NGSS.MS-ESS2-5

Air contains ____________.

• oxygen

• carbon dioxide

• both of these

Tags

NGSS.MS-LS2-3

Moving air is called ____________.

• storm

• smoke

• wind

Tags

NGSS.MS-ESS2-6

Humans and animals need ________________ to breathe.

• carbon dioxide

• oxygen

• nitrogen

Which of the following gases is used by plants to make food?

• Nitrogen

• Oxygen

• Carbon dioxide

Tags

NGSS.MS-LS1-6

We can feel air when it ________________.

• moves

• is visible

• none of the above

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Air contains _______ gases, water vapour, smoke, dust particles, and germs.

• no

• many

• two

Plants take in carbon dioxide to make their food and release _______________.

• nitrogen

• sulphur

• oxygen

Tags

NGSS.MS-LS1-6

Smoke and germs make the air ______________.

• pure

• impure

• none of the above

We should plant trees to keep the air __________.

• clean

• dirty

• unclean

Tags

NGSS.MS-LS1-6

NGSS.MS-ESS3-3