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. Mechanical energy (wind) to electricity






2. Air cools more quickly over land than water






3. Burning wood






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






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






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






7. Produces electricity and heat






8. 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






9. Heat and Electricity






10. Photovoltaic (PV) devices or Solar Energy Plant






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






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






13. Burning to get heat and electricity






14. Replenish themselves or are continuously present






15. Pockets of hot water or steam underground






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






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






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






19. Just burning biomass






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






21. Burning 'rubbish.'






22. Bacteria ferment BM with sugars






23. Solid to liquid biomass with chemistry and heat






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






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






26. Energy resource that can replenish itself






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






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






29. Compact biomass with high temperatures - increading the VED






30. Barrage dam






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






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






33. Hardness - volatility

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34. Lowest rank of coal






35. Most used energy source in the united states






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






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






38. Most used renewable resource in the United States






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






40. Time - heat - pressure






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






42. Air heated more from ground near equator






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






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






45. Radiant energy from the sun heats Earth and atmosphere







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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