Across
- 3. slows down the flow of energy
- 5. a clean energy that comes from the sun
- 7. Kinetic plus potential energy
- 8. kinds of energy found underground from the remains of dead animals and plants
- 9. this type of energy is created by static electricity in the clouds
- 11. The kind of resource that can be reused and won't run out
- 12. this type of energy always travels from hot to cold
- 13. where hydroelectric energy comes from
Down
- 1. Stored energy
- 2. energy of motion
- 4. a force created when two objects rub together
- 6. An energy source that is going to run out
- 10. this gives a boulder sitting on the edge of a mountain potential energy