Test your basic knowledge |

Renewable And Nonrenewable Energy

Subject : science
Instructions:
  • Answer 50 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. Hard coal - highest rank - 96% carbon






2. Remains of once living organisms preserved and altered by geological forces






3. Hard to transport - natural gas needs to be changed into a liquid to be efficiently transported - drill sites could be terrorist targets - disorients whales - harms the environment - hard to find/pump - dangerous - oil air pollution






4. Unreliable - energy companies only see it as supplemental power - strong winds are usually not near people or grids






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






6. Burning wood






7. Volumetric energy density






8. Crops and crop residue






9. Easy to store - 90% of world's commercially traded energy is oil/natural gas - secondary recovery - cracking - profitable - jobs - natural gas = no air pollution






10. Hydrogen sulfide pollution - sources are often national treasures






11. Organic materials are changed to lighter - more volatile hydrocarbons






12. Same as pyrolysis process but with more heat and less gas - goes all the way to gas






13. Accumulation of organic material by living things






14. Burning to get heat and electricity






15. Secondary pollution (toxic materials and alcohols - blocking the sun for some animals) - bird death ray - startup cost






16. Air cools more quickly over land than water - wind cycle goes the opposite way as day winds






17. Water floods - peat and sediment is pushed down - peat is pressed down for millions of years - coal is formed






18. Air heated more from ground near equator - creates global jet streams






19. 3 factors that affect volatility






20. Difference between high and low tide






21. Bacteria ferments biomass with sugars






22. Replenish themselves or are continuously present






23. Compacting biomass through high temperatures - VED goes up






24. Burning rubbish/garbage






25. Wood - crops grown for energy - crop residues - animal waste - algae - some garbage






26. Heat is recovered as steam or hot water to create electricity or heat buildings






27. Microscopic dying organisms sink to the bottom of the ocean secreting drops of oil - shale is formed from mud and sediment with oil droplets - over time the droplets rise into a pocket in the ground






28. Near the poles - tight openings - high tidal range






29. Burning biomass






30. Water conservation - jobs - energy -






31. Changes landscape - land reclamation - acid min drainage - black lung - foundation damage (subsidence) - mountain top removal - insurance - most danger






32. Bacteria break down with without oxygen - product is LFGs






33. Solid biomass to liquid biomass with chemicals and heat






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






35. Volcanoes - hot springs - geysers






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






37. Adding hydrocarbons by breaking down non-useful parts of oil






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






39. Resevoir - dam - penstock - turbine - generator - outflow - inflow






40. High tidal range - mouths of bays and estuaries - ideally near poles






41. Lowest rank coal - less water and higher proportion of burnable materials than peat (40% water)






42. Off shore wind is the most efficient






43. Solar radiation from the sun is converted to heat or electricity






44. Effecting the tide - high startup cost - low efficiency in some cases






45. Soft coal - reduced water (3%)






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






47. Radiant energy form the sun heats earth and atmosphere - causes warming of the air and wind cycle






48. Solar cells to convert solar energy directly to electricity






49. Pockets of hot water/steam underground






50. Semi-permeable dams






?:?:)

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