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. Produces electricity and heat






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






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






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






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






6. Most used renewable resource in the United States






7. Most used energy source in the united states






8. Compact biomass with high temperatures - increading the VED






9. Photovoltaic (PV) devices or Solar Energy Plant






10. Just burning biomass






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






12. Solid to liquid biomass with chemistry and heat






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






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






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






16. Burning wood






17. 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






18. Pockets of hot water or steam underground






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






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






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






22. Air cools more quickly over land than water






23. Barrage dam






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






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






26. Radiant energy from the sun heats Earth and atmosphere






27. Lowest rank of coal






28. Air heated more from ground near equator






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






30. Burning to get heat and electricity






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






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






33. Replenish themselves or are continuously present






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






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






36. Bacteria ferment BM with sugars






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






38. Energy resource that can replenish itself






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






40. Heat and Electricity






41. Mechanical energy (wind) to electricity






42. Burning 'rubbish.'






43. Hardness - volatility

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44. Time - heat - pressure






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