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






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






4. Pockets of hot water or steam underground






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






6. Hardness - volatility

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






8. Most used renewable resource in the United States






9. Just burning biomass






10. Barrage dam






11. Photovoltaic (PV) devices or Solar Energy Plant






12. Energy resource that can replenish itself






13. Produces electricity and heat






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






15. Heat and Electricity






16. Solid to liquid biomass with chemistry and heat






17. Lowest rank of coal






18. Compact biomass with high temperatures - increading the VED






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






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






21. Burning 'rubbish.'






22. Replenish themselves or are continuously present






23. Most used energy source in the united states






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






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






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






27. Mechanical energy (wind) to electricity






28. Burning to get heat and electricity






29. Air heated more from ground near equator






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






31. Time - heat - pressure






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






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






34. 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






35. Bacteria ferment BM with sugars






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






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






38. Radiant energy from the sun heats Earth and atmosphere






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






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






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






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






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






44. Burning wood






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







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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