Across
- 4. made from composed,newer dead animals and rubbish
- 5. energy that uses the water cycle
- 6. energy radiant energy emitted by the sun
- 7. converts solar energy into a usable amount of direct current electricity
- 9. is used to power grills and trains
- 10. this energy source was used in world war ll
- 12. used to power cars in a liquid form
Down
- 1. a flammable gas that is used for making electricity
- 2. relating to, or produced by the internal heat of the earth
- 3. an energy form that uses wind to make electricity
- 8. a device converting solar radiation into electricity
- 10. gas they make it smell like rotten eggs so it's easier to detect
- 11. a black combustible rock that's used for fuel,or cooking
