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. Air cools more quickly over land than water






3. Energy resource that can replenish itself






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






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






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






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






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






9. Radiant energy from the sun heats Earth and atmosphere






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






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






12. Barrage dam






13. Burning to get heat and electricity






14. Burning 'rubbish.'






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






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






17. Hardness - volatility

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18. Replenish themselves or are continuously present






19. Most used energy source in the united states






20. 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






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






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






23. Lowest rank of coal






24. Time - heat - pressure






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






26. Bacteria ferment BM with sugars






27. Solid to liquid biomass with chemistry and heat






28. Pockets of hot water or steam underground






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






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






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






32. Photovoltaic (PV) devices or Solar Energy Plant






33. Just burning biomass






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






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






36. Mechanical energy (wind) to electricity






37. Compact biomass with high temperatures - increading the VED






38. Burning wood






39. Heat and Electricity






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






41. Produces electricity and heat






42. Air heated more from ground near equator






43. Most used renewable resource in the United States






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






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