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. Heat and Electricity






2. Air heated more from ground near equator






3. Burning 'rubbish.'






4. Pockets of hot water or steam underground






5. Replenish themselves or are continuously present






6. Lowest rank of coal






7. Air cools more quickly over land than water






8. Compact biomass with high temperatures - increading the VED






9. Just burning biomass






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






11. Mechanical energy (wind) to electricity






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






13. Solid to liquid biomass with chemistry and heat






14. Burning to get heat and electricity






15. Bacteria ferment BM with sugars






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






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






18. Most used renewable resource in the United States






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






20. Barrage dam






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






22. Energy resource that can replenish itself






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






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






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






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






27. Time - heat - pressure






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






29. Radiant energy from the sun heats Earth and atmosphere






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






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






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






33. Most used energy source in the united states






34. 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






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






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






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






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






39. Burning wood






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






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






42. Photovoltaic (PV) devices or Solar Energy Plant






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






44. Produces electricity and heat






45. Hardness - volatility

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Can you answer 50 questions in 15 minutes?



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