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. Replenish themselves or are continuously present






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






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






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






5. Just burning biomass






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






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






8. Bacteria ferment BM with sugars






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






10. Shifting of ground as a result of drilling/mining under it






11. Energy resource that can replenish itself






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






13. Heat and Electricity






14. 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






15. Photovoltaic (PV) devices or Solar Energy Plant






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






17. Most used renewable resource in the United States






18. Time - heat - pressure






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






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






21. Air cools more quickly over land than water






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






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






24. Solid to liquid biomass with chemistry and heat






25. Burning wood






26. Air heated more from ground near equator






27. Lowest rank of coal






28. Compact biomass with high temperatures - increading the VED






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






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






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






32. Hardness - volatility

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33. Barrage dam






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






35. Produces electricity and heat






36. Pockets of hot water or steam underground






37. Burning to get heat and electricity






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






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






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






41. Burning 'rubbish.'






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






43. Mechanical energy (wind) to electricity






44. Most used energy source in the united states






45. Radiant energy from the sun heats Earth and atmosphere