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






2. Bacteria ferment BM with sugars






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






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






5. Heat and Electricity






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






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






8. Just burning biomass






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






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






11. Lowest rank of coal






12. Most used renewable resource in the United States






13. Time - heat - pressure






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






15. Hardness - volatility

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






17. Solid to liquid biomass with chemistry and heat






18. Air heated more from ground near equator






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






20. Air cools more quickly over land than water






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






22. Most used energy source in the united states






23. 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






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






25. Photovoltaic (PV) devices or Solar Energy Plant






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






27. Replenish themselves or are continuously present






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






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






30. Pockets of hot water or steam underground






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






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






33. Burning wood






34. Radiant energy from the sun heats Earth and atmosphere






35. Compact biomass with high temperatures - increading the VED






36. Barrage dam






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






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






39. Produces electricity and heat






40. Burning to get heat and electricity






41. Energy resource that can replenish itself






42. Burning 'rubbish.'






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






44. Mechanical energy (wind) to electricity






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