Across
- 4. One disadvantage of nuclear power is that it produced _________ waste
- 5. _______ fuels are made from the remains of dead organisms
- 7. The unit of energy
- 9. the energy stored in hot objects
- 10. ______ turbines can be an unreliable way to generate electr9city
- 11. Fuels which can be replaced as quickly as they are used are __________
- 12. A polluting gas which is made by burning fossil fuels
- 13. A solid fossil fuel
Down
- 1. energy can never be ________ or destroyed
- 2. the energy stored in moving objects
- 3. the energy stored in object which are high of the ground
- 6. ________ panels can make electricity using the light from the sun
- 8. A liquid fossil fuel