Across
- 4. nuclear meltdown in 1986 in Europe that had catastrophic environmental damage
- 7. energy is obtained by using the heat stored in the Earth's interior to heat up water
- 9. As a country becomes more ________________ energy demand increases
- 11. type of power generated by fission of Uranium-235
- 12. increased fuel use efficiency by using the fuel for energy and the heat produced
- 14. Natural gas in extracted through___________
- 15. A bell-shaped curve that predicts that we will reach peak oil when half of the reserve is used up.
- 17. city where 4 of 6 reactors melted down after a 9.0 earthquake and resulting tsunami
- 21. energy source that contain turbines that spin when water passes over them
- 22. energy sources are those that can be replenished naturally
- 23. used in developing countries as sustenance energy to cook and heat homes
- 24. burning of fossil fuels
Down
- 1. as energy changes it is often released as less energy form
- 2. cleanest of all fossil fuels
- 3. type of cells in solar pannels that capture the suns energy
- 5. energy can neither be created nor destroyed, only altered in form
- 6. uses large turbines to generate electricity
- 8. radiated energy emitted by the sun
- 10. low heat content, low sulfur
- 12. Can be converted into other types of fuel used in vehicles, airplanes and other machines
- 13. high heat content, low sulfur
- 16. mined from the Earth
- 18. energy sources that exist in a fixed amount
- 19. released during a nuclear reaction which can be damaging to human tissue and DNA
- 20. natural gas can cause earthquakes and groundwater________________