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






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






3. Just burning biomass






4. Burning 'rubbish.'






5. Pockets of hot water or steam underground






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






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






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






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






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






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






12. Bacteria ferment BM with sugars






13. Most used renewable resource in the United States






14. Photovoltaic (PV) devices or Solar Energy Plant






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






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






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






18. Hardness - volatility

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19. Burning to get heat and electricity






20. Replenish themselves or are continuously present






21. Energy resource that can replenish itself






22. Radiant energy from the sun heats Earth and atmosphere






23. Produces electricity and heat






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






25. Burning wood






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






27. Most used energy source in the united states






28. Mechanical energy (wind) to electricity






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






30. Time - heat - pressure






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






32. Barrage dam






33. Solid to liquid biomass with chemistry and heat






34. Air cools more quickly over land than water






35. Heat and Electricity






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 heated more from ground near equator






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






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






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






41. Lowest rank of coal






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






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






44. Compact biomass with high temperatures - increading the VED






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