Chapter 21 Vocabulary Words/Main ideas

Question 0

Are products used on crops to control insects nod other pest.

Answer 0

Pesticides

Question 1

Any dirty or harmful substance in the environment.

Answer 1

Pollution

Question 2

Rain that is far more acidic than normal.

Answer 2

Acid rain

Question 3

A yellow-brown haze that forms when sunlight reacts with air pollution.

Answer 3

Smog

Question 4

A shield that protects living things from ultraviolet.

Answer 4

Ozone layer

Question 5

Is the trapping of heat by carbon dioxide and other gases in the air.

Answer 5

Greenhouse effect

Question 6

A rise in the earths temperatures.

Answer 6

Global warming

Question 7

Is Huge pits where wastes are dumped and buried.

Answer 7

Landfills

Question 8

Human-made liquid or solid waste that may endanger human health or the environment.

Answer 8

Hazardous waste

Question 9

Is the governmental agency that is committed to protecting the environment

Answer 9

Environment protection agency

Question 10

Is broken down easily in the environment.

Answer 10

Biodegradable

Question 11

Substance that cannot be replaced once they are used.

Answer 11

Non-renewable resources

Question 12

Is the saving of resources.

Answer 12

Conservation

Question 13

Reducing waste before it occurs

Answer 13

Precycling

Question 14

Explain what pollution is.

Answer 14

Pollution is any dirty or harmful substance in the environment

Question 15

Identify what contributes to air,water,and land pollution.

Answer 15

Pesticides,Acid rain,Smog,Hazardous waste.

Question 16

Recognize how pollution affects the environment

Answer 16

It kills animals

Question 17

Describe the three Rs:reduce,reuse,recycle.

Answer 17

Reduce-use something that is reuse-able
Reuse-use something that can be washed and reused
Recycle-recycle it if you can’t use it any more

Question 18

Explain actions individuals can take to protect the environment.

Answer 18

Plant trees,don’t burn trash

Question 19

Identify nonrenewable resources

Answer 19

Gas,oil,coal,gold

Question 20

Identify what contributes to air,water,and pollution.

Answer 20

Burning fossil fuels,chemicals,acid rain,smog,ozone layer,greenhouse effect,global warming,