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. Barrage dam






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






4. Heat and Electricity






5. Energy resource that can replenish itself






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






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






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






9. Photovoltaic (PV) devices or Solar Energy Plant






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






11. Produces electricity and heat






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






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






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






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






16. Bacteria ferment BM with sugars






17. Burning to get heat and electricity






18. Most used energy source in the united states






19. Most used renewable resource in the United States






20. Just burning biomass






21. Solid to liquid biomass with chemistry and heat






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






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






24. 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






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






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






27. Pockets of hot water or steam underground






28. Air heated more from ground near equator






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






30. Time - heat - pressure






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






32. Burning wood






33. Lowest rank of coal






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






35. Compact biomass with high temperatures - increading the VED






36. Replenish themselves or are continuously present






37. Air cools more quickly over land than water






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






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






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






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






42. Hardness - volatility

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43. Burning 'rubbish.'






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






45. Radiant energy from the sun heats Earth and atmosphere