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. Radiant energy from the sun heats Earth and atmosphere






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






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






4. Hardness - volatility

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






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






7. Most used renewable resource in the United States






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






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






10. Air cools more quickly over land than water






11. Lowest rank of coal






12. Most used energy source in the united states






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






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






15. Bacteria ferment BM with sugars






16. Solid to liquid biomass with chemistry and heat






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






18. Energy resource that can replenish itself






19. Produces electricity and heat






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






21. Pockets of hot water or steam underground






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. Burning 'rubbish.'






24. Heat and Electricity






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






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






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






28. Burning wood






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






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






31. Burning to get heat and electricity






32. Barrage dam






33. Replenish themselves or are continuously present






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






35. Photovoltaic (PV) devices or Solar Energy Plant






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






37. Air heated more from ground near equator






38. Compact biomass with high temperatures - increading the VED






39. Just burning biomass






40. Time - heat - pressure






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






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






43. Mechanical energy (wind) to electricity






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






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