Across
- 3. They can be bad when there is a fire and it is close to it
- 7. sun water wind
- 9. whats the puzzle about
- 10. grows slower then to chop off
- 11. means earth hermal means heat
- 12. they can't be remade
Down
- 1. Fossil Fuels is a
- 2. type of oil
- 4. is the mass of living stuff.
- 5. Metals Minerals
- 6. for cars
- 8. heat pump is a great way to heat or cool buildings