Unit 5: Sedimentary Rock and Fossil Fuels

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Across
  1. 3. replenish very quickly
  2. 5. the method by which a substance or object is formed
  3. 6. a solid energy resource that forms from ancient plants over millions of years
  4. 7. fuels fuel formed over millions of years from the remains of plants and animals; examples include coal, petroleum (oil) and natural gas
  5. 10. rock that forms when sediments are compacted and cemented together
  6. 11. generate energy from renewable natural resources and do not deplete resources or harm the environment
Down
  1. 1. takes millions of years to replenish
  2. 2. process of binding and hardening of sediments into a harder rock
  3. 4. process by which overlying pressure from rocks and soil reduces the size or volume of sediments
  4. 8. a gaseous energy resource that forms near oil deposits
  5. 9. a liquid energy resource that forms from microorganisms over millions of years