Across
- 3. a form of non-renewable energy
- 5. what energy is affected by the speed of an object
- 6. forms of renewable energy
- 8. potential energy is stored in batteries, food and fuel
- 9. a primary source of heat and light energy
Down
- 1. name one man-made source of light energy
- 2. name one natural source of light energy
- 3. what type of potential energy is stored in a battery
- 4. has kinetic energy and will not run out
- 7. use ———— energy to carry out photosynthesis