English 7 Global Success unit 10 Energy Sources
Student: ____________________Class: __________Date: ____ / ____ / ______
1. Solar generation __________ up only 3.3% of total U.S. generation in 2020.
2. Energy __________ from different forms and essential for everything we do.
3. Trees __________ in carbon dioxide and __________ it in their trunks.
4. The Greeks __________ water wheels to grind wheat more than 2,000 years ago.
5. Nowadays, renewable energies __________ on a very important role in the heating market.
6. Many countries in the world __________ wind power on a commercial basis today.
7. Now automakers __________ fuel cells that extract hydrogen from gasoline.
8. In the old days, humans __________ on the sun and wood for heat.
9. Hydroelectric, wind, solar, biomass and geothermal energy __________ all limitless.
10. Today, the world's resources __________ at an extremely fast rate.
11. __________ source of energy is the source that can’t be replaced after use.
12. If everyone __________ fossil fuels, they will quickly run out.
13. Non-renewable energy sources will run out because they are __________.
14. Solar energy is a green, clean, and __________ energy source.
15. Nuclear energy is not __________ and it is not green because of radioactive waste.
16. Hydro power is the most efficient way to __________ electricity in many countries.
17. Renewable energy sources are better for the environment and they will not __________.
18. I can __________ much energy by turning off the TV when not watching it.
19. Instead of using electricity to make wind – like a fan – wind turbines use __________ to make electricity.
20. Do your parents __________ coal as well as wood to make a fire for cooking?