Across
- 2. the process of making waste into new materials and objects.
- 5. fossil fuels, coal, oil, natural gas, and nuclear are examples of of..
- 8. think black liquid. extracted by drilling.
- 9. to use something more than once
- 11. fossilized carbon
- 12. heat energy from deep within the earth.
- 13. energy powered by the sun
- 14. currently the worlds primary energy source
- 15. Uranium and plutonium
- 16. to upkeep of a natural resource to prevent it from disappearing.
- 18. a renewable energy powered by the natural rise and fall of ocean tides.
- 19. to restore something
Down
- 1. energy made by flowing water.
- 2. biomass, wind, hydroelectric, geothermal, solar, are examples of..
- 3. layer is a layer in the earth stratosphere in which absorbs most of ultratiant radians from reaching the earth.
- 4. produced by burning fuel for power or heat, thought of chemical reactions.
- 6. energy captured with turbines.
- 7. Energy made from any materials that comes from plants.
- 10. gasses in Earth's atmosphere that trap heat.
- 17. gas flammable,colorless, odorless