ScienceReview

Which word names chemicals

that provide nutrients to thesoil to help crops grow

better?A. terracingB. smogC. sewageD. fertilizer

1

Which word names a mixture

of smoke, water vapor and chemicals?

A. droughtB. windbreaksC. smogD. tributary

2

Which word names the act of

preserving or protecting natural

resources?A. contour plowingB. conservationC. acid rainD. natural resources

3

Which word explains how farmers plant strips of grass or clover between strips of

crops?

A. crop rotationB. strip croppingC. droughtD. renewable resources

4

Which word names chemicals that kill crop-

destroying organisms such as

beetles or worms?A. pesticidesB. sewageC. crop rotationD. compost

5

Which word is a river or stream of water flowing

into a larger river or lake?

A. fertilizerB. pollutionC. tributaryD. terracing

6

Which word names water and human wastes that are washed down sinks, toilets

and showers?A. sewageB. compostC. conservationD. strip cropping

7

Which word explains a resource that cannot be

replaced within a lifetime?

A. renewable resourceB. conservationC. nonrenewable resourceD. pollution

8

Which word names rows of trees or fences that stop the

wind from carrying soil away?

A. acid rainB. natural resourcesC. compost pileD. windbreaks

9

Which word means the building up of the soil to

form level places that look like a series of steps going up a

hill?A. terracingB. crop rotationC. pollutionD. fertilizer

10

Which word names thechanging of planted crops from year to year to build up nutrients in the soil?

A. natural resourceB. crop rotationC. renewable resourceD. pollution

11

Which word names the planting of crops along the curves of sloping land, not

down the slopes?

A. contour plowingB. pesticidesC. terracingD. acid rain

12

Which word names a mixture of decaying organic

matter used to provide nutrients to the soil?A. droughtB. sewageC. natural resourceD. compost

13

Which word names a resource that can be

replaced within a lifetime?

A. acid rainB. renewable resourceC. contour plowingD. crop rotation

14

Which word names something such as a forest, mineral

deposit, or fresh water that is found in nature and is

necessary or useful to humans?

A. crop rotationB. acid rainC. tributaryD. natural resources

15

Which word names a type of precipitation containing acids that

form in the atmosphere when industrial gas emissions combine

with evaporated water?

A. acid rainB. sewageC. droughtD. conservation

16

Which word names a change in the environment that is harmful to living things?

A. natural resourceB. terracingC. pollutionD. fertilizer

17

Which word names the long period of low rainfall that affects growing or living

things?A. compostB. pollutionC. pesticidesD. drought

18

Which of the following choices is a natural

resource?

A. glassB. plantC. paperD. leather

19

Why are fossil fuels non-renewable resources?

A. because they take millions of years to replace

B. because they can be used over and over again

C. because they are used to light and heat homes

D. because they cause air and water pollution

20

How is having a yard sale good for the environment?

21

A. because you will make money at your yard sale

B. because your toys are good for the environment

C. because you will use up more natural resources

D. because other people can reuse your toys

Which item breaks down more easily into the

environment?

A. a water bottleB. an apple coreC. an aluminum canD. batteries

22

What happens when you reduce, reuse and recycle?

23

A. You collect different fossil fuels.

B. You conserve natural resources.

C. You find non-renewable resources.

D. You destroy many animal habitats.

What can you do to reduce waste?

24

A. Choose things that use less packaging.

B. Buy new books and electronic equipment.

C. Use things once and then throw them out.

D. Care for people who live in your community.

If you packed your lunch in a paper bag every day,

what could you do differently to save paper?

25

A. Eat more fruits and vegetables.

B. Recycle all glass and metal.

C. Ride the bus to school each day.

D. Use a reusable lunch box.

People can contaminate an area with harmful chemicals. What does contaminate mean?

A. to searchB. to polluteC. to recycleD. to clean up

26

Why is the garbage in sanitary landfills

surrounded by layers of plastic and clay?

27

A. to prevent the tops of the landfills from eroding away

B. to prevent waste from leaking out of the landfills

C. to prevent the waste from getting too hot or too cold

D. to protect the landfill against earthquakes

What can you infer from the fact that smog mainly

affects cities?

28

A. People in cities drive more often than people in rural areas.

B. Air pollution is most serious in areas with many factories.

C. Air pollution never affects rural areas.

D. People foolishly built cities in areas with heavy smog.

Why are trees considered natural resources?

29

A. They grow back after they are cut down.

B. They are an important source of firewood for campfires.

C. They provide valuable shade that no other resources do.

D. Humans use them to produce products like paper and lumber.

What can you infer from the fact that minor changes in water

temperature can kill entire species?

30

A. Many species are extremely sensitive to environment changes.

B. Many species that live in water once lived on land.

C. Many species have extremely weak immune systems.

D. Many species are not well-suited to their natural habitats.

Which of the following is a renewable natural resource?

A. oilB. rockC. windD. coal

31

Which of the following is a true statement about

recycling?

32

A. Recycling allows resources to be reused, instead of dumped in landfills.

B. Recycling turns non-renewable resources into renewable resources.

C. Recycled products emit oxygen into the atmosphere.

D. Recycling causes the earth to cool down, instead of warming up.

When is your test covering this material?

A. SaturdayB. FridayC. ThursdayD. Wednesday

33

Be sure to study yourvocabulary and definitions.

Also look over yournatural resource booklet

and packet of notes.