Renewable Energy Review Crossword

2. One negative about wind energy is that birds and ______ can be killed whey they fly into rotating blades. (18.3)
3. A device that converts solar energy directly into electricity. (18.3)
7. Building dams can cause soil erosion and _____________. (18.2)
8. A power plant that uses wind turbines to generate electricity. (18.3)
12. The manufacturing of solar energy creates ___________. (18.3)
13. A device that converts the winds’ kinetic energy, or energy of motion, into electrical energy. (18.3)
15. Electricity generated from the energy of moving water. (18.2)
16. Examples of biomass energy are wood, manure, and ________. (18.1)
18. Solar technologies use no _____, are quiet and safe, and do not release greenhouse gases. (18.3)
19. Some geothermal energy projects trigger ____________. (18.1)
20. Hydropower is useful to nations that have a lot of __________. (18.2)
23. Biomass is not an efficient source of energy and causes ________ pollution. (18.1)
26. Hydropower is created when the river water passes by and turns the blades and _________ in the dam. (18.2)
27. Example of biofuel that is produced from vegetable oil, such as soybean oil. (18.1)
28. Technology that uses mirrors to focus sunlight in order to generate electricity. (18.3)
30. The energy produced from organic materials. (18.1)
32. Solar energy is very ____________. (18.3)

1. An example of biopower from waste products of the timber industry. (18.1)
2. Liquid fuels from biomass sources. (18.1)
4. Another name for hydropower is ____________. (18.2)
5. Involves designing a building to collect, store, and distribute the sun’s energy naturally. (18.3)
6. Electricity that is generated by the combustion of biomass. (18.1)
9. Renewable energy sources are unlikely to ___________. (18.1)
10. A type of renewable energy that is generated deep within the Earth; produced by the breakdown of radioactive elements and high pressure. (18.1)
11. A metal box that observes the sun’s energy to heat water or air. (18.3)
14. System that uses technology to collect, move, and store heat derived from the sun. (18.3)
17. Passive solar heating is similar to ____________, which help plants grow when it is cold outside by using the rays from the sun. (18.3)
21. Electricity generated from the movement of the water tides. (18.2)
22. Geothermal energy can be used to produce ___________. (18.1)
24. Example of a biofuel that is pure alcohol and produced from fermentation of starches and sugars. (18.1)
25. Another name for renewable energy is ____________ energy. (18.1)
29. The _____ provides energy for all of life’s processes. (18.3)
31. Some regions are not ________ enough to produce solar energy. (18.3)