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. Same as pyrolysis BUT - more heat and less gas






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






3. Replenish themselves or are continuously present






4. Compact biomass with high temperatures - increading the VED






5. Hardness - volatility

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6. Most used energy source in the united states






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






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






9. Most used renewable resource in the United States






10. Burning to get heat and electricity






11. Pockets of hot water or steam underground






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






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. Burning wood






15. Time - heat - pressure






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






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






18. Produces electricity and heat






19. Lowest rank of coal






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






21. Mechanical energy (wind) to electricity






22. Air heated more from ground near equator






23. Photovoltaic (PV) devices or Solar Energy Plant






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






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






26. Heat and Electricity






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






28. Bacteria ferment BM with sugars






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






30. Solid to liquid biomass with chemistry and heat






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






32. Energy resource that can replenish itself






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






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






35. Barrage dam






36. Air cools more quickly over land than water






37. Radiant energy from the sun heats Earth and atmosphere






38. Burning 'rubbish.'






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






40. Where the most Geothermal Energy is produced in all of 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. Naturally occurring substance that can potentially be extracted using modern technology






43. Just burning biomass






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.