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






2. Burning to get heat and electricity






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






4. Bacteria ferment BM with sugars






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






6. Most used renewable resource in the United States






7. Heat and Electricity






8. Just burning biomass






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






10. Radiant energy from the sun heats Earth and atmosphere






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






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






13. Air heated more from ground near equator






14. 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






15. Time - heat - pressure






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






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






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






19. Burning 'rubbish.'






20. Most used energy source in the united states






21. Energy resource that can replenish itself






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






23. Burning wood






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






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






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






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






28. Hardness - volatility

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29. Mechanical energy (wind) to electricity






30. Pockets of hot water or steam underground






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






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






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






34. Replenish themselves or are continuously present






35. Air cools more quickly over land than water






36. Solid to liquid biomass with chemistry and heat






37. Photovoltaic (PV) devices or Solar Energy Plant






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






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






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






41. Barrage dam






42. Lowest rank of coal






43. Produces electricity and heat






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






45. Compact biomass with high temperatures - increading the VED







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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