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. Same as pyrolysis BUT - more heat and less gas






2. Bacteria ferment BM with sugars






3. Air heated more from ground near equator






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






5. Most used renewable resource in the United States






6. Air cools more quickly over land than water






7. Burning wood






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






9. Just burning biomass






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






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






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






13. Radiant energy from the sun heats Earth and atmosphere






14. Solid to liquid biomass with chemistry and heat






15. Time - heat - pressure






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






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






18. Replenish themselves or are continuously present






19. Heat and Electricity






20. Burning 'rubbish.'






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






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






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






24. Hardness - volatility

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






26. Burning to get heat and electricity






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






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






29. Energy resource that can replenish itself






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






31. Pockets of hot water or steam underground






32. Compact biomass with high temperatures - increading the VED






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






34. Mechanical energy (wind) to electricity






35. Lowest rank of coal






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






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






38. 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






39. Most used energy source in the united states






40. Produces electricity and heat






41. Barrage dam






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






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






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






45. Photovoltaic (PV) devices or Solar Energy Plant