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






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






3. Hardness - volatility

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






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






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






7. Produces electricity and heat






8. Most used energy source in the united states






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






10. Most used renewable resource in the United States






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






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






13. Pockets of hot water or steam underground






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






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






16. Compact biomass with high temperatures - increading the VED






17. Just burning biomass






18. Energy resource that can replenish itself






19. Burning 'rubbish.'






20. 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






21. Heat and Electricity






22. Mechanical energy (wind) to electricity






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






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






25. Air cools more quickly over land than water






26. Photovoltaic (PV) devices or Solar Energy Plant






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






28. Barrage dam






29. Radiant energy from the sun heats Earth and atmosphere






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






31. Burning wood






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






33. Burning to get heat and electricity






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






35. Air heated more from ground near equator






36. Time - heat - pressure






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






38. Bacteria ferment BM with sugars






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






40. Replenish themselves or are continuously present






41. Lowest rank of coal






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






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






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






45. Solid to liquid biomass with chemistry and heat