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






2. 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






3. Barrage dam






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






5. Burning wood






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






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






8. Heat and Electricity






9. Mechanical energy (wind) to electricity






10. Air cools more quickly over land than water






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






12. Photovoltaic (PV) devices or Solar Energy Plant






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






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






15. Time - heat - pressure






16. Replenish themselves or are continuously present






17. Energy resource that can replenish itself






18. Just burning biomass






19. Radiant energy from the sun heats Earth and atmosphere






20. Produces electricity and heat






21. Compact biomass with high temperatures - increading the VED






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






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






24. Air heated more from ground near equator






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






26. Burning 'rubbish.'






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






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






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






30. Most used energy source in the united states






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






32. Solid to liquid biomass with chemistry and heat






33. Hardness - volatility

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






35. Burning to get heat and electricity






36. Most used renewable resource in the United States






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






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






39. Lowest rank of coal






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






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






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






43. Bacteria ferment BM with sugars






44. Pockets of hot water or steam underground






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