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






2. Barrage dam






3. Hardness - volatility


4. Most used energy source in the united states






5. Just burning biomass






6. Radiant energy from the sun heats Earth and atmosphere






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






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






9. Energy resource that can replenish itself






10. Photovoltaic (PV) devices or Solar Energy Plant






11. 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






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






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






14. Compact biomass with high temperatures - increading the VED






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






16. Air heated more from ground near equator






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






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






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






20. Heat and Electricity






21. Most used renewable resource in the United States






22. Pockets of hot water or steam underground






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






24. Burning wood






25. Solid to liquid biomass with chemistry and heat






26. Burning to get heat and electricity






27. Time - heat - pressure






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






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






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






31. Produces electricity and heat






32. Air cools more quickly over land than water






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






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






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






36. Lowest rank of coal






37. Replenish themselves or are continuously present






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






39. Bacteria ferment BM with sugars






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






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






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






43. Burning 'rubbish.'






44. Mechanical energy (wind) to electricity






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