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






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






4. Burning to get heat and electricity






5. Compact biomass with high temperatures - increading the VED






6. Radiant energy from the sun heats Earth and atmosphere






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






8. Burning 'rubbish.'






9. Pockets of hot water or steam underground






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






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






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






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






14. Replenish themselves or are continuously present






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






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






17. Just burning biomass






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






19. 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






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






21. Air heated more from ground near equator






22. Bacteria ferment BM with sugars






23. Lowest rank of coal






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






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






26. Produces electricity and heat






27. Energy resource that can replenish itself






28. Air cools more quickly over land than water






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






30. Solid to liquid biomass with chemistry and heat






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






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






33. Burning wood






34. Photovoltaic (PV) devices or Solar Energy Plant






35. Time - heat - pressure






36. Most used renewable resource in the United States






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






38. Heat and Electricity






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






40. Hardness - volatility

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41. Most used energy source in the united states






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






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






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






45. Barrage dam