Test your basic knowledge |

Renewable Energy

Subject : science
Instructions:
  • Answer 45 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Shifting of ground as a result of drilling/mining under it






2. Hardness - volatility

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3. Just burning biomass






4. Energy resource that can replenish itself






5. High start-up cost - Unreliable - Energy companies see it as a supplemental power - Strong winds usually not near population - Energy grids are not set up for wind






6. Where the most Geothermal Energy is produced in all of the United States






7. Acidic precursors from coal mines get into surrounding water sources due to rain flushing them out






8. Burning 'rubbish.'






9. Air is heated from ground - warm air flows upward - cold air replaces it






10. Compact biomass with high temperatures - increading the VED






11. It's reliable and consistent - It gives off very little pollution - Lessen the burden of fossil fuels and nuclear energy!






12. Naturally occurring substance that can potentially be extracted using modern technology






13. Barrage dam






14. Lowest rank of coal






15. Pockets of hot water or steam underground






16. Time - heat - pressure






17. Energy that can be obtained from movement of water due to gravitational pull of sun - moon - and Earth's rotation.






18. Finite supply being used faster than they can be replenished






19. Most used energy source in the united states






20. Most used renewable resource in the United States






21. Air heated more from ground near equator






22. Burning wood






23. The difference between low and high tide. the height difference.






24. Volumetric energy density---- increased by pelletisation






25. Release less than 1% of CO2 - Hydrogen Sulfide pollution - 97% less acid rain pollutants - Sources of geothermal are often National Treasures






26. Radiant energy from the sun heats Earth and atmosphere






27. Bacteria ferment BM with sugars






28. Solid to liquid biomass with chemistry and heat






29. Mechanical energy (wind) to electricity






30. Heat and Electricity






31. Produces electricity and heat






32. Natural gas that is super cooled to gas phase so it can be transported easier/safer






33. Burning to get heat and electricity






34. Pumping water into an oil well to increase pressure and improve recovery






35. Replenish themselves or are continuously present






36. Secondary Pollution (Toxic materials and alcohols - Blocking the sun for some animals - No direct pollution though!) - Bird death ray - Startup cost






37. Environmental Impact - High startup cost - Low efficiency in some cases






38. Photovoltaic (PV) devices or Solar Energy Plant






39. Bacteria breaks biomass down without oxygen with product mixed gas. LFG's






40. What country leads the world in wind energy generating?






41. Same as pyrolysis BUT - more heat and less gas






42. Heat is recovered as steam or hot water to: 1. Create electricity 2. Heat buildings






43. Known deposits which can be extracted from profitably using modern technology under certain economic conditions






44. Air cools more quickly over land than water






45. Least expensive alternate energy - Sustainable - Renewable - No carbon emission - Once tower is up - almost no cost to maintain