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. Barrage dam






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






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






4. Heat and Electricity






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






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






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






8. Radiant energy from the sun heats Earth and atmosphere






9. Hardness - volatility

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






11. Replenish themselves or are continuously present






12. Pockets of hot water or steam underground






13. 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






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






15. Photovoltaic (PV) devices or Solar Energy Plant






16. Solid to liquid biomass with chemistry and heat






17. Lowest rank of coal






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






19. Burning 'rubbish.'






20. Burning wood






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






22. Time - heat - pressure






23. Mechanical energy (wind) to electricity






24. Energy resource that can replenish itself






25. Bacteria ferment BM with sugars






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






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






28. Air heated more from ground near equator






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






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






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






32. Just burning biomass






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






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






35. Most used renewable resource in the United States






36. Produces electricity and heat






37. Most used energy source in the united states






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






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






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






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






42. Burning to get heat and electricity






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






44. Air cools more quickly over land than water






45. Compact biomass with high temperatures - increading the VED