Renewable Energy Resources Puzzle
Across
- 3. geothermal energy is driven by water heating because it is close to ___ underneath the surface
- 4. ___ used on growing crops for biomass can pollute the soil
- 5. resources are categorized as renewable because the Earth can replace them ____
- 7. hydroelectric energy can be captured by moving ____
- 9. using renewable energy sources are a better alternative to using nonrenewable resources such as ____
- 11. ___ control the flow of rivers and where turbines are located that move to generate electricity because of the moving water
- 15. groups of wind turbines are called a ___
- 16. the prefix hydro means ____
- 18. biomass energy is energy that comes from living things such as plants and ____
- 20. energy produced from deep within the Earth
- 21. energy from the sun must be captured by ___ to harness the heat and light energy
- 23. disadvantages of using wind turbines include being dangerous for flying organisms and very ___
- 25. biomass energy is energy that comes from living things such as ____ and animals
- 26. in order to capture wind energy, the blades of a ___ must turn a generator that produces electricity
- 28. another name for hydroelectric energy
- 29. biomass becomes ___ when mixed with gasoline, such as ethanol
- 30. energy from the Sun
- 31. the prefix therm means ____
- 32. ___ energy is captured from moving air moving turbines
Down
- 1. building dams can change the ____ of plants and animals up and down river
- 2. resources that are found in nature and are useful to people
- 6. the prefix bio means ____
- 8. the word resources makes them ____ to people
- 10. energy sources that naturally renew or replace themselves in a relatively short amount of time
- 11. there are still some ____ to using renewable resources
- 12. the people of ___ use geothermal energy as their main heat source since they have so much plate tectonic activity
- 13. ___ energy is captured by moving water flow
- 14. energy from any material that comes from plants or microorganisms that were recently living
- 17. turbines turn to generate ____ from moving water or wind
- 19. the advantage renewable has over nonrenewable resources are that they take ___ time to replace
- 22. most dams are located on big, fast moving ___ which help to create the hydroelectric energy
- 24. in order to get energy from biomass, you must ___ the tree scraps, bark, branches and recycled paper
- 25. the problem with burning biomass fuels is air ___
- 27. the prefix geo means ____