Across
- 2. splitting of uranium atoms
- 7. heat from the earth
- 9. fuels made from plant or animal matter
- 11. non-renewable energy source
- 12. Energy from sources that naturally replenish, like solar or wind
- 13. the energy due to object's motion
- 14. renewable energy source
- 15. energy can neither be created nor be destroyed
Down
- 1. fuels burning causes pollution
- 3. used for rotating turbines
- 4. the type of potential energy stored in food and batteries
- 5. the rate at which work is done
- 6. energy supplied to do useful work
- 7. potential energy stored due to object's position
- 8. The standard metric unit to measure work and energy
- 10. energy stored as heat, light or sound