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. Air cools more quickly over land than water






2. Pockets of hot water or steam underground






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






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






5. Air heated more from ground near equator






6. Lowest rank of coal






7. Just burning biomass






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






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






10. Most used energy source in the united states






11. Mechanical energy (wind) to electricity






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






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






14. Compact biomass with high temperatures - increading the VED






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






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






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






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






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






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






21. Time - heat - pressure






22. Burning wood






23. Bacteria ferment BM with sugars






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






25. Energy resource that can replenish itself






26. 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






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






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






29. Hardness - volatility

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






31. Replenish themselves or are continuously present






32. Most used renewable resource in the United States






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






34. Produces electricity and heat






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






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






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






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






39. Burning to get heat and electricity






40. Photovoltaic (PV) devices or Solar Energy Plant






41. Burning 'rubbish.'






42. Radiant energy from the sun heats Earth and atmosphere






43. Barrage dam






44. Heat and Electricity






45. Solid to liquid biomass with chemistry and heat







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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