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. Photovoltaic (PV) devices or Solar Energy Plant






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






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






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






5. Burning wood






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






7. Radiant energy from the sun heats Earth and atmosphere






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






9. Lowest rank of coal






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






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






12. Air cools more quickly over land than water






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






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






15. Burning to get heat and electricity






16. Produces electricity and heat






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






18. Burning 'rubbish.'






19. Most used renewable resource in the United States






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






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






22. Hardness - volatility

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23. Compact biomass with high temperatures - increading the VED






24. Replenish themselves or are continuously present






25. Solid to liquid biomass with chemistry and heat






26. Time - heat - pressure






27. Heat and Electricity






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






29. Most used energy source in the united states






30. Energy resource that can replenish itself






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






32. Barrage dam






33. Mechanical energy (wind) to electricity






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






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






36. Air heated more from ground near equator






37. Just burning biomass






38. 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






39. Bacteria ferment BM with sugars






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






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






42. Pockets of hot water or steam underground






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






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






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