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






2. Air cools more quickly over land than water






3. Compact biomass with high temperatures - increading the VED






4. 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






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






6. Hardness - volatility


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






8. Heat and Electricity






9. Time - heat - pressure






10. Burning wood






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






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






13. Most used energy source in the united states






14. Produces electricity and heat






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






16. Radiant energy from the sun heats Earth and atmosphere






17. Energy resource that can replenish itself






18. Burning 'rubbish.'






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






20. Replenish themselves or are continuously present






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






22. Just burning biomass






23. Air heated more from ground near equator






24. Solid to liquid biomass with chemistry and heat






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






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






27. Bacteria ferment BM with sugars






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






29. Most used renewable resource in the United States






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






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






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






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






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






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






36. Photovoltaic (PV) devices or Solar Energy Plant






37. Mechanical energy (wind) to electricity






38. Lowest rank of coal






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






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






41. Barrage dam






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






43. Burning to get heat and electricity






44. Pockets of hot water or steam underground






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