Across
- 4. energy in moving object
- 6. push and pull
- 8. form of energy when electrons flow in closed circuit
- 9. the biggest source of energy
- 10. unit of energy in food
- 11. solid fossil fuel, made of plant
- 13. energy from fission and fusion reaction
- 14. wind, water and light are _______ energy
- 15. a process of converting light energy into chemical energy
- 18. energy stored in stretchy material
Down
- 1. energy stored dueto gravity pull
- 2. unit of energy
- 3. green house gas produced from burning fossil fuels
- 5. energy stored in food
- 6. this type of force slow things down.
- 7. energy can not be created or ________
- 9. another name of 'light'
- 12. ability to get work done
- 16. heat energy
- 17. this is usually a form of energy lost