The World Around Us

Trees take in _________ and give out _________.

• oxygen, carbon dioxide

• carbon dioxide, oxygen

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Trees keep the air _________ and clean.

Tags

NGSS.MS-LS1-6

Human beings and animals need _________ to breathe in and ________to breathe out.

• oxygen, carbon dioxide

• carbon dioxide, oxygen

Trees cool the air by ________in the heat of the sunrays that fall on them.

Pollution can cause some plants, animals and people to get _________ or even _________.

• die, sick

• sick, die

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

Pollution is anything that makes the earth dirty and people ________.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS1-5

Pollution occurs when the ____________such as air, water or the land are made dirty by people.

Tags

NGSS.HS-ESS3-4

NGSS.HS-LS2-7

Air pollution occurs when smoke, dust, harmful gases enter the ____________ .

Air pollution can cause ________. Check all the correct answer.

• cough

• diarrhea

• burning eyes

• asthma

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS1-5

Choose all the correct facts that can reduce the effect of air pollution.

• Use water wisely

• Choose recycled products

• Save energy

• Stop using car for a short trip

Tags

NGSS.MS-ESS3-3

NGSS.MS-ESS3-4