Across
- 3. cell Solar cell can change light energy into electricity
- 5. energy of moving objects
- 7. energy from the sun
- 9. batteries store electrical energy produced by solar cells
- 10. the ability to make things move or change
- 11. any material from living things that can be used as a energy source
- 12. energy of moving air
Down
- 1. energy that travels as waves through matter or through empty space
- 2. the energy of moving particles
- 4. careful use and management of resources
- 6. either can be replaced as is or cannot be used up
- 8. energy of moving water