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. Barrage dam






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






3. Air heated more from ground near equator






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






5. Solid to liquid biomass with chemistry and heat






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






7. Just burning biomass






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






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






10. Burning wood






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






12. Compact biomass with high temperatures - increading the VED






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






14. Lowest rank of coal






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






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






17. Radiant energy from the sun heats Earth and atmosphere






18. Burning to get heat and electricity






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






20. Most used energy source in the united states






21. Burning 'rubbish.'






22. Mechanical energy (wind) to electricity






23. Hardness - volatility

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24. Replenish themselves or are continuously present






25. 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






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






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






28. Heat and Electricity






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






30. Photovoltaic (PV) devices or Solar Energy Plant






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






32. Bacteria ferment BM with sugars






33. Time - heat - pressure






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






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






36. Energy resource that can replenish itself






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






38. Air cools more quickly over land than water






39. Most used renewable resource in the United States






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






41. Produces electricity and heat






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






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






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






45. Pockets of hot water or steam underground