Across
- 2. for grinding and pumping
- 3. are example of non renewable energy resources
- 5. most of the energy we use comes originally from the ________
- 8. most _____________ power comes from ultimately from the sun
- 9. energy is released in the sun by the process of nuclear _________
- 10. uranium is __________ material
- 11. the interior of the earth is hot
- 13. wind power is _______
- 15. solar cells
- 16. uranium is a very concentrated store of energy in the form of __________ energy
Down
- 1. modern wind turbined can generate ________
- 4. an energy ________ is anything from which we can obtain energy
- 5. this fuel is free
- 6. compounds of hydrogen and carbon
- 7. used to collect thermal and light energy from the sun
- 12. energy carried by the ________ can used to turn turbines
- 14. wood is the example of ______