Energy

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Across
  1. 8. a material that allows energy to flow through it easily
  2. 11. when light rays go through a medium/material and bend
  3. 13. energy energy of motion
  4. 15. energy energy made by vibrations that can be heard
Down
  1. 1. a material that does not allow energy to flow through it easily
  2. 2. to move back and forth very fast
  3. 3. the part that opens or closes the connection in circuit, interrupting or letting the electrical current pass through
  4. 4. the type of material an object is made of
  5. 5. energy a form of energy that travels in straight lines, and can be seen with our eyes
  6. 6. energy energy from the movement of electrons and an energy source
  7. 7. ability for something to be active and cause a change
  8. 9. when light rays bounce off of a material/medium
  9. 10. energy from heat
  10. 12. circuit incomplete path of electric flow
  11. 14. circuit complete path for the flow of electric current