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. Replenish themselves or are continuously present






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






4. Energy resource that can replenish itself






5. Produces electricity and heat






6. Barrage dam






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






8. Radiant energy from the sun heats Earth and atmosphere






9. Just burning biomass






10. Most used renewable resource in the United States






11. Photovoltaic (PV) devices or Solar Energy Plant






12. 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






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






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






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






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






17. Time - heat - pressure






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






19. Burning to get heat and electricity






20. Hardness - volatility

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21. Heat and Electricity






22. Air cools more quickly over land than water






23. Mechanical energy (wind) to electricity






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






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






26. Bacteria ferment BM with sugars






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






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






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






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






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






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






33. Burning 'rubbish.'






34. Solid to liquid biomass with chemistry and heat






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






36. Pockets of hot water or steam underground






37. Lowest rank of coal






38. Compact biomass with high temperatures - increading the VED






39. Burning wood






40. Most used energy source in the united states






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






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






43. Air heated more from ground near equator






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






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