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






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






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






4. Burning wood






5. Mechanical energy (wind) to electricity






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






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






8. Just burning biomass






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






10. Energy resource that can replenish itself






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






12. Pockets of hot water or steam underground






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






14. Time - heat - pressure






15. 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






16. Bacteria ferment BM with sugars






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






18. Burning 'rubbish.'






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






20. Air cools more quickly over land than water






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






22. Solid to liquid biomass with chemistry and heat






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






24. Compact biomass with high temperatures - increading the VED






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






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






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






28. Barrage dam






29. Burning to get heat and electricity






30. Produces electricity and heat






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






32. Heat and Electricity






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






34. Most used energy source in the united states






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






36. Lowest rank of coal






37. Hardness - volatility

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38. Most used renewable resource in the United States






39. Replenish themselves or are continuously present






40. Photovoltaic (PV) devices or Solar Energy Plant






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






42. Radiant energy from the sun heats Earth and atmosphere






43. Air heated more from ground near equator






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






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