Energy

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Across
  1. 2. Coal, oil, natural gas, and other fuels that are ancient remains of plants and animals.
  2. 4. compound Compounds that contain carbon
  3. 6. A unicellular organism that lacks a nucleus and membrane bound organelles
  4. 7. A resource that has a theoretically unlimited supply and is not depleted when used by humans.
  5. 9. The total energy of motion in the particles of a substance
Down
  1. 1. Energy stored in the nucleus of an atom
  2. 3. A source of energy that is a finite supply capable of being exhausted.
  3. 5. needed by the body for growth and repair
  4. 8. a device that stores electrical energy produced by a solar cell during the day
  5. 10. A cell that contains a nucleus and membrane bound organelles