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. Mechanical energy (wind) to electricity






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






3. Pockets of hot water or steam underground






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






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






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






7. Air heated more from ground near equator






8. Heat and Electricity






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






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






11. Photovoltaic (PV) devices or Solar Energy Plant






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






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






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. Produces electricity and heat






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






17. Most used renewable resource in the United States






18. Burning to get heat and electricity






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






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






21. Barrage dam






22. Most used energy source in the united states






23. Air cools more quickly over land than water






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






25. Solid to liquid biomass with chemistry and heat






26. Burning 'rubbish.'






27. Radiant energy from the sun heats Earth and atmosphere






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






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






30. Replenish themselves or are continuously present






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






32. Lowest rank of coal






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






34. Just burning biomass






35. Energy resource that can replenish itself






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






37. Compact biomass with high temperatures - increading the VED






38. Hardness - volatility

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






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






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






42. Burning wood






43. Time - heat - pressure






44. Bacteria ferment BM with sugars






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