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. Burning to get heat and electricity






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






3. Time - heat - pressure






4. Air heated more from ground near equator






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






6. Most used renewable resource in the United States






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






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






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






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






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






12. Compact biomass with high temperatures - increading the VED






13. Replenish themselves or are continuously present






14. Energy resource that can replenish itself






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






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






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






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






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






20. Mechanical energy (wind) to electricity






21. Radiant energy from the sun heats Earth and atmosphere






22. 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






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






24. Solid to liquid biomass with chemistry and heat






25. Bacteria ferment BM with sugars






26. Most used energy source in the united states






27. Just burning biomass






28. Hardness - volatility

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






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






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






32. Air cools more quickly over land than water






33. Barrage dam






34. Heat and Electricity






35. Lowest rank of coal






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






37. Burning 'rubbish.'






38. Photovoltaic (PV) devices or Solar Energy Plant






39. Burning wood






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






41. Produces electricity and heat






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






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






44. Pockets of hot water or steam underground






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