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. Lowest rank of coal






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






4. Barrage dam






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






6. Produces electricity and heat






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






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






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






10. Air cools more quickly over land than water






11. Mechanical energy (wind) to electricity






12. Burning to get heat and electricity






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






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






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






16. Hardness - volatility


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






18. Time - heat - pressure






19. Bacteria ferment BM with sugars






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






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






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






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






24. Energy resource that can replenish itself






25. Replenish themselves or are continuously present






26. Most used energy source in the united states






27. 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






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






29. Photovoltaic (PV) devices or Solar Energy Plant






30. Compact biomass with high temperatures - increading the VED






31. Air heated more from ground near equator






32. Solid to liquid biomass with chemistry and heat






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






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






35. Pockets of hot water or steam underground






36. Burning wood






37. Burning 'rubbish.'






38. Most used renewable resource in the United States






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






40. Just burning biomass






41. Heat and Electricity






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






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






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






45. Radiant energy from the sun heats Earth and atmosphere