Energy Study Guide

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Across
  1. 1. cleanest fossil fuel
  2. 6. big nuclear disaster in ukraine
  3. 8. fuels that come from biomass and are easily gathered and purchased
  4. 10. largest energy reserve of natural gas
  5. 12. main fuel used for vehicles
  6. 14. allows steam from turbine to condense back into liquid and cool down before being reused
  7. 17. partially decomposed organic matter found in wet, acidic ecosystems
  8. 18. extracting natural gas in sedimentary rock layers
  9. 19. these type of nations that use more energy on a per capita basis
  10. 21. the amount of time it takes for 50% of a radioactive substance to decay
  11. 22. leftover rock and soil from mining that may have radioactive elements
  12. 24. used to recover crude oil and is a combination of clay, sand, water, and bitumen
  13. 25. occurs when clearing land for mining, an environmental consequence of coal
  14. 27. largest energy reserve of oil
  15. 28. energy sources that exist in fixed amounts
  16. 29. these currents help give geothermal its ability to be used for an alternative energy source
Down
  1. 2. enables these organisms to be directed into a tube that carries them over a dam
  2. 3. type of solar energy that absorbs or blocks the sun's heat without the use of electrical equipment
  3. 4. largest energy reserve of coal
  4. 5. used on top of buildings to absorb the sun's heat
  5. 7. type of energy that spins wind blades to produce energy
  6. 8. energy conservation like lowering the thermostat or planting native plants instead of grass
  7. 9. energy sources that can be replenished naturally at or near the rate of consumption
  8. 11. main fuel for electricity generation
  9. 13. most dense form of coal
  10. 15. organic matter burned to release heat for homes/cooking
  11. 16. what natural gas is mostly made of
  12. 20. thick, sticky, semi-solid form of petroleum
  13. 23. built in a river to create an artificial lake (reservoir)
  14. 26. hot water from power plant is released back into surface waters causing fish to die