4th - Energy

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Across
  1. 10. when one form of energy changes to another
  2. 12. the “push” that makes electric currents move through a circuit
  3. 13. heat energy that is created by molecules moving quickly
  4. 14. how high or low a sound is
  5. 15. the distance between one wave crest and the next crest; or one wave trough to the next trough
  6. 17. the ability to do work
  7. 18. a moving pattern of high and low pressure waves, or vibrations
  8. 19. the degree of hotness or coldness that is measured with a thermometer; it measures how fast the molecules are moving in the object
  9. 20. stored energy; or energy at rest
Down
  1. 1. the energy of moving parts
  2. 2. form of energy that travels in waves; it can be seen with the human eye
  3. 3. when light bends as it passes through an object
  4. 4. energy that is heard and is made by vibrations
  5. 5. energy that is cause by the flow of electrons and travels in circuits
  6. 6. a special type of glass, plastic, or crystal that bends light
  7. 7. when light creates another type of energy, usually heat
  8. 8. a rapid back and forth movement that produces sound
  9. 9. energy in motion
  10. 11. when light bounces off an object
  11. 16. the measurement of how loud or soft a sound is