Florida Science Grade 8

Section 2: Alternative Energy Resources

Alternative Energy Resources

1
Sun, wind, and water are all examples of __________ because they can be replaced by natural processes in less than 100 years.
A)renewable resources
B)alternative energy resources
C)inexpensive resources
D)clean energy sources
2
Solar energy is obtain from __________.
A)wind
B)the Sun
C)rivers
D)stars
3
What is one drawback of using solar cells to make electric?
A)They are hard to use.
B)They cause pollution.
C)They are not reliable.
D)They are expensive.
4
What element is used a solar cell?
A)carbon
B)calcium
C)silicon
D)iron
5
A __________ is an area where a large number of windmills are placed to generate electricity.
A)wind farm
B)hilltop
C)windmill city
D)wind tunnel
6
__________ uses water to produce electricity.
A)solar power
B)wind power
C)hydroelectric power
D)hydrothermal power
7
How long can some radioactive waste remain active?
A)10,000 years
B)10 years
C)100 years
D)1 year
8
What percentage of energy used in the United States is nuclear power?
A)4
B)8
C)3
D)25
Glencoe Online Learning CenterScience HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe

Please read our Terms of Use and Privacy Notice before you explore our Web site. To report a technical problem with this Web site, please contact the Web Producer.