Indiana Science Grade 7

Chapter 8: Conserving Resources

Conserving Resources

1.
What type of energy is released from uranium, a radioactive element?
A)geothermal energy
B)solar energy
C)nuclear energy
D)fossil fuel energy
2.
__________energy is heat energy contained in Earth's crust.
A)Solar
B)Nuclear
C)Fossil fuel
D)Geothermal
3.
Which is the easiest type of plastic to recycle?
A)type 4
B)type 7
C)type 2
D)type 1
4.
Water that collects between particles of soil and rocks is called __________.
A)groundwater
B)surface water
C)rain water
D)water pollution
5.
__________ is electricity produced when the energy of falling water turns the blades of a generator turbine.
A)Wind power
B)Solar power
C)Hydroelectric power
D)Nuclear power
6.
Which one of the following is a renewable resource?
A)iron
B)aluminum
C)water
D)petroleum
7.
Any substance that contaminates the environment is __________.
A)a greenhouse gas
B)a pollutant
C)a mineral
D)an acid
8.
Rain can cause water pollution when it washes __________.
A)pesticides and fertilizers into streams
B)air pollutants out of the sky
C)all answers are correct
D)oil and grease off roads and parking lots
9.
Which one of the following is an example of solid waste?
A)oil spills
B)food scraps
C)algae blooms
D)smog
10.
Used paper, grass clippings, and vegetable scraps can be turned into soil-enriching __________.
A)plastics
B)oxygen
C)sewage
D)compost
11.
Not only does it save resources to recycle metals and glass, it also takes far less __________ to make containers and other products from recycled minerals.
A)water
B)paper
C)aluminum
D)energy
12.
To reduce your fossil fuel use you can take public transportation instead of __________.
A)walking
B)riding a bike
C)driving alone in a car
D)staying home
13.
When algae from an algal bloom die, they are broken down by bacteria that use up much of the __________in the water.
A)oxygen
B)carbon dioxide
C)food
D)chemical pesticides
14.
Which one of the following is a problem associated with acid precipitation?
A)algae blooms
B)global warming
C)loss of plant nutrients from the soil
D)increase in UV radiation reaching Earth's surface
15.
The most reliable source of energy for all life on Earth is __________.
A)coal
B)the wind
C)the Sun
D)nuclear power
16.
Wind and rain can cause __________, the movement of soil from one place to another.
A)soil pollution
B)acid rain
C)solid wastes
D)erosion
17.
Earth would be too cold to support life as we know it without
A)geothermal energy
B)the greenhouse effect
C)the ozone layer
D)global warming
18.
Which one of the following is a fossil fuel?
A)nuclear power
B)oil
C)wood
D)wind
19.
Satellites that orbit Earth use __________ to generate electricity.
A)solar cells
B)nuclear power
C)geothermal energy
D)fossil fuels
20.
What is one problem with producing electricity using nuclear power?
A)thousands of acres of land are flooded
B)smog and acid rain are produced
C)geysers or volcanoes must be available
D)radioactive wastes are produced
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