Week 4 Spelling

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Across
  1. 5. energy that can be heard by living things
  2. 8. the property of matter giving off both energy and subatomic particles
  3. 10. is energy from electrical sources
Down
  1. 1. a nuclear reaction that produces energy.
  2. 2. a device that converts mechanical energy into electrical power.
  3. 3. is the sum of kinetic and potential energy in an object that is used to do work.
  4. 4. another name for heat energy
  5. 6. is energy stored in the bonds of chemical compounds (atoms and molecules).
  6. 7. a chemical element that is a silver gray metal
  7. 9. a hot spring with boiling water that can shoot into the air