1. These devices spin to generate energy.
Alternative Energy
Earth and Space 1
These devices spin to generate energy.
Which type of alternative energy source is pictured? A
Wind B
Water C
Petroleum D
Biofuels
5.7C 2
All of the following are an alternative energy resource EXCEPT - A
biofuel B
geothermal C
hydroelectric D
coal

2. What gives geothermal energy its power?
Alternative Energy
Earth and Space 3
Dams built to regulate the flow of water are important to which type of alternative energy resource? A
Biofuels B
Hydroelectricity C
Geothermal D
Fossil fuels 4
What gives geothermal energy its power? A
Light and heat from the Sun B
Decomposed plant material C
Moving or falling water D
Heat generated inside the Earth

3. Which alternative energy source does this house use?
Earth and Space 5
The house illustrated here uses panels on the roof to collect a natural resource and convert it into electricity that can be used.
Which alternative energy source does this house use? A
Water B
Wind C
Solar D
Geothermal