Energy- Answer Key:Complex Machine, Work, Efficiency, Radiant, Energy, Chemical, Mechanical, Sound, Electric, Nuclear, Thermal, Seismic

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Across
  1. 1. The ability to cause a change.
  2. 4. The amount of energy used as a force to move an object over a distance.
  3. 5. Energy stored in and released from the nucleus of an atom.
  4. 8. Sum of kinetic and potential energy of the particles that make up an object.
  5. 11. The ratio of output work and input work.
  6. 12. Sum of potential and kinetic energy in a system.
Down
  1. 2. Energy carried by electromagnetic waves.
  2. 3. Energy carried by a sound wave.
  3. 6. Two or more simple machines working together.
  4. 7. Energy stored in and released from the bonds between atoms.
  5. 9. The energy transferred by waves moving through the ground.
  6. 10. Energy carried by an electric current.