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7th- Humans and Ecosystems Ch. 4:3

Total questions: 40

Worksheet time: 49mins

Name
Class
Date
1.

A known environmental problem caused by increased levels of CFC's in the atmosphere is _______________.

a)

global warming

b)

thermal pollution

c)

greenhouse effect

d)

ozone depletion

2.
Which of the following results when levels of CO2 in the atmosphere increase due to fossil fuel burning?
a)
ecological succession 
b)
acid rain 
c)
ozone depletion
d)
global warming
3.
Which of the following is NOT a method of energy conservation?
a)
taking public transportation to work (bus, subway)
b)
riding your bike to work
c)
walking to work 
d)
driving alone in your car to work
4.
Fishermen have harvested certain fish to the point where the population of that fish is decreasing. This level of direct harvesting could cause
a)
ecosystems to be improved for future generations
b)
ecosystems to be severely damaged
c)
the restoration of environmental stability
d)
all other fish species to increase in number
5.
Pollution can cause harm to the ___________.  
a)
air
b)
land
c)
water
d)
all of the above
6.
Continued depletion of the ozone layer will most likely result in
a)
an increase in skin cancer among humans 
b)
a decrease in atmospheric pollutants 
c)
an increase in marine ecosystem stability 
d)
a decrease in climatic changes
7.
____________ is the addition of harmful materials to the environment.
a)
pollution
b)
ecotourism
c)
conservation
d)
recycle
8.
To __________ means to collect old, used materials, and to process them and make them into new items.  
a)
compost
b)
decomposer
c)
litter
d)
recycle
9.
Which of the following results when nitrogen and sulfur-containing compounds mix with water in the atmosphere?
a)
global warming
b)
ozone depletion 
c)
acid rain
d)
thermal pollution
10.
Which of the following results when levels of CO2 in the atmosphere increase due to fossil fuel burning?
a)
ecological succession 
b)
acid rain 
c)
ozone depletion
d)
global warming
11.

Fertilizers used to improve lawns and gardens may interfere with the equilibrium of an ecosystem because they

a)

cause mutations in all plants

b)

cannot be absorbed by roots

c)

can be carried into local water supplies

d)

cause atmospheric pollution

12.

What is the name for the trapping of heat by gases in the atmosphere.

a)

gas shield

b)

ecological footprints

c)

carbon footprint

d)

greenhouse effect

13.

Trees are renewable resources.

a)

True

b)

False

14.

Coal is a renewable resource.

a)

True

b)

False

15.

Wind is a renewable resource.

a)

True

b)

False

16.

Oil is a renewable resource.

a)

True

b)

False

17.

Rocks are renewable resources.

a)

True

b)

False

18.

Water is a renewable resource.

a)

True

b)

False

19.

The sun is a renewable resource.

a)

True

b)

False

20.

Gold is a renewable resource.

a)

True

b)

False

21.

Natural gas is a renewable resource.

a)

True

b)

False

22.

Minerals are renewable resources.

a)

True

b)

False

23.

Trees are a renewable resource because ...

a)

they can be replanted.

b)

of how big they can grow.

c)

they burn in forest fires.

d)

birds live in them.

24.

Oil is not a renewable resource because ...

a)

it comes from the ground.

b)

it cannot be replaced.

c)

it is too gooey.

d)

it is not heavy enough.

25.

Natural resources form in nature. Which of the following is NOT a natural resource?

a)

oil

b)

coal

c)

plastic

d)

water

26.
Coal is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
27.
Hyrdo Power is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
28.
Solar Power is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
29.
Nuclear Power is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
30.
Natural Gas is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
31.
The sun is the source of all energy on Earth.
a)
true
b)
false
32.
The energy of nuclear reactions between atoms that creates heat and turns turbines is _________.
a)
Coal
b)
Wind
c)
Hydro
d)
Nuclear
33.
__________is a gas found under the Earth’s surface and is used to produce energy by burning it.
a)
Geothermal
b)
Natural Gas
c)
Coal
d)
Nuclear
34.
_________is compacted matter dug from under the Earth’s surface that is used to provide energy by burning it.
a)
Hydro
b)
Coal
c)
Nuclear
d)
Geothermal
35.

The 5 Rs are restore, rethink, recycle, reuse and recover.

a)

True

b)

False

36.

The ____________ gave the federal government the power to create standards for the amount of pollution released into the air.

a)

Endangered Species Act

b)

Clean Water Act

c)

Clean Air Act

d)

Clean Pollution Act

37.

CFC's or chloroflourocarbons are known to _______________.

a)

create acid rain

b)

contribute to greenhouse gases

c)

damage the ozone layer.

d)

increase carbon dioxide in the atmosphere.

38.

The EPA or environmental protection agency helps with ______________________________.

a)

enforcing environmental laws

b)

developing plans for cleaning up polluted areas

c)

supporting environmental research at universities

d)

All of the above.

39.

Greenhouse gases result in___________

a)

acid rain

b)

global warming

c)

polluted waters

d)

All of the above.

40.

The exhaustion of one or more resources in an area is known as ___________________.

a)

global warming

b)

greenhouse effect

c)

renewable

d)

resource depletion

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