Energy

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Across
  1. 3. - A safety device with a thin metal strip that will melt if too much current passes through a circuit.
  2. 6. - A circuit with more than one path for current flow.
  3. 7. - to send something across places; to pass along
  4. 9. - Allowing light to pass through
  5. 11. - To move or travel smoothly in a certain direction.
  6. 12. - A circuit with only one path for current flow
  7. 15. - A material that allows electricity to flow easily.
  8. 16. - A piece of glass that separates white light into colors of the spectrum.
  9. 17. - A material that does not allow electric charges to flow easily.
  10. 18. - to soak up or take in
  11. 19. - A clear piece of curved glass or plastic that bends passing light to focus or spread the light rays
Down
  1. 1. - To make larger or to make seem larger
  2. 2. - material that moves energy or light from one substance to another
  3. 4. - An electrical path for current electricity.
  4. 5. - not letting light through
  5. 8. - Permitting light to pass through, but not transparent
  6. 10. - The bouncing back of a wave when it hits a surface through which it cannot pass.
  7. 13. - a device that opens or closes a circuit.
  8. 14. - the bending of a wave as it enters a new medium at an angle