Across
- 4. fall
- 5. the ability to do work
- 6. energy that is harnessed from letting
- 9. Energy generated by burning of plants or
- 11. Stores in stretched or squashed
- 12. Measurement of electricity
Down
- 1. the earth
- 2. in foods
- 3. An older unit used for measuring the
- 7. The kind of energy stored in batteries
- 8. Energy that is harnessed from rocks
- 10. droppings