1
Energy that can be replaced is ______
2
Machines that convert motion into electricity
3
____ power plants produce a lot of electricity
4
People are looking for alternative sources of ______
5
the long, flat parts of an electric fan that turn
6
_____ panels collect energy directly from the sun.
7
moving air in the atmosphere
8
Wind turbines work well on cloudy _____
2
6
7
5
8