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. Most used energy source in the united states






2. Radiant energy from the sun heats Earth and atmosphere






3. Energy resource that can replenish itself






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






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






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






7. Just burning biomass






8. Mechanical energy (wind) to electricity






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






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






11. Bacteria ferment BM with sugars






12. Burning wood






13. Most used renewable resource in the United States






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






15. Hardness - volatility

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






17. Lowest rank of coal






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






19. Replenish themselves or are continuously present






20. Air heated more from ground near equator






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






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






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






24. Burning to get heat and electricity






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






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






27. Burning 'rubbish.'






28. Time - heat - pressure






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






30. Pockets of hot water or steam underground






31. Produces electricity and heat






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






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






34. Heat and Electricity






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






36. 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






37. Air cools more quickly over land than water






38. Compact biomass with high temperatures - increading the VED






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






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






41. Solid to liquid biomass with chemistry and heat






42. Photovoltaic (PV) devices or Solar Energy Plant






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






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






45. Barrage dam







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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