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. Finite supply being used faster than they can be replenished






2. Air heated more from ground near equator






3. Barrage dam






4. Mechanical energy (wind) to electricity






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






6. Bacteria ferment BM with sugars






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






8. Radiant energy from the sun heats Earth and atmosphere






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






10. Compact biomass with high temperatures - increading the VED






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






12. Burning wood






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






14. Lowest rank of coal






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






16. Just burning biomass






17. Air cools more quickly over land than water






18. 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






19. Pockets of hot water or steam underground






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






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






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






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






24. Most used energy source in the united states






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






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






27. Burning 'rubbish.'






28. Produces electricity and heat






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






30. Energy resource that can replenish itself






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






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






33. Photovoltaic (PV) devices or Solar Energy Plant






34. Solid to liquid biomass with chemistry and heat






35. Replenish themselves or are continuously present






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






37. Time - heat - pressure






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






39. Most used renewable resource in the United States






40. Hardness - volatility

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41. Burning to get heat and electricity






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






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






44. Heat and Electricity






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