Chapter 17 Crossword

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Across
  1. 1. type of energy; the energy produced by motion
  2. 3. a type of mining in which layers of surface soil and rock are removed from large areas to expose the resource
  3. 5. a liquid fossil fuel made up mostly of hydrocarbons; the primary source of gasoline
  4. 8. the accidental melting of the uranium fuel rods inside the core of a nuclear reactor, causing the release of radiation
  5. 9. rock that contains hydrocarbons; can be burned directly or processed to extract liquid petroleum
  6. 10. type of energy; an energy resource that cannot be replaced in a relatively short time; includes fossil fuels and nuclear energy
  7. 11. a chemical compound derived from oil that is used to make plastics, detergents, and other products
  8. 12. a type of mining in which vertical shafts are dug deep into the ground and networks of horizontal tunnels are dug or blasted out to follow deposits of a resource
Down
  1. 2. burning; the chemical reaction when fuel combines rapidly with oxygen
  2. 4. type of energy; an energy resource that is readily available or that can be replaced in a relatively short time; includes wind, moving water, sunlight, and wood
  3. 5. type of energy; the energy that an object has because of its position or shape
  4. 6. the energy produced by the flow and interaction of electrons
  5. 7. a deposit of moist sand and clay that can by mined to extract bitumen, an oil-rich hydrocarbon
  6. 13. the ability to do work or cause a change