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. Finite supply being used faster than they can be replenished






2. Energy resource that can replenish itself






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






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






5. Barrage dam






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






7. Burning 'rubbish.'






8. Time - heat - pressure






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






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






11. Hardness - volatility

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






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






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






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






16. Lowest rank of coal






17. Heat and Electricity






18. Air cools more quickly over land than water






19. Replenish themselves or are continuously present






20. Most used energy source in the united states






21. Bacteria ferment BM with sugars






22. Photovoltaic (PV) devices or Solar Energy Plant






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






24. Burning wood






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






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






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






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






29. Just burning biomass






30. 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






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






32. Compact biomass with high temperatures - increading the VED






33. Burning to get heat and electricity






34. Pockets of hot water or steam underground






35. Most used renewable resource in the United States






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






37. Radiant energy from the sun heats Earth and atmosphere






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






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






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






41. Produces electricity and heat






42. Air heated more from ground near equator






43. Solid to liquid biomass with chemistry and heat






44. Mechanical energy (wind) to electricity






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