CS2 Q2 Extra Credit

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Across
  1. 5. a disturbance that travels through a medium from one location to another location
  2. 6. is the number of waves that pass a point in a certain period of time
  3. 10. a substance that has mass and takes up space
  4. 11. space that has no matter
  5. 12. when light bounces off a surface
  6. 13. the only type of electromagnetic radiation that we can see
Down
  1. 1. when light bends as it enters a different medium
  2. 2. ____ boundary where two plates slide against each other
  3. 3. theory of _______ ______ in which the earth is broken up into plates that move slowly over time
  4. 4. ____ boundary is where two plates move away from each other
  5. 7. is a type of electromagnetic radiation that has the lowest amount of energy
  6. 8. ____ boundary where two plates move towards each other
  7. 9. this type of electromagnetic radiation is the radiation with the highest energy