Science Activity Vocab Crossword

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Across
  1. 2. a material that allows almost al of the light striking it to pass through, and through which objects can be seen clearly.
  2. 3. the bouncing of a wave off a surface.
  3. 5. a disturbance that transfers energy from one place to another without transferring matter.
  4. 8. the transfer of energy from a wave to the medium through which it travels.
  5. 9. reflection of light from a rough surface.
  6. 11. how you perceive the energy of a sound wave.
  7. 15. the number of times the pattern repeats in a given amount of time.
  8. 17. a material that allows most of the light that strikes it to pass through, but through which objects appear blurry.
  9. 20. a wave in which the disturbance is parallel to the direction the wave travels.
  10. 21. the perception of how high or low a sound is; related to the frequency of a sound wave.
  11. 22. the maximum extent of the repeating quantity from equilibrium.
  12. 23. the unwanted modification of a signal.
  13. 24. electromagnetic radiation that you can see.
  14. 25. a wave in which the disturbance is perpendicular to the direction the wave travels.
Down
  1. 1. the change in direction of a wave as it changes speed in moving from one medium to another.
  2. 4. law that states that when a wave is reflected from a surface, the angle of reflection is equal to the angle of incidence.
  3. 6. a longitudinal wave that can travel only through matter.
  4. 7. the amount of energy that passes through a square meter of space in one second.
  5. 10. a material through which light does not pass.
  6. 12. a wave that can travel only through matter.
  7. 13. the distance between one point on a wave and the nearest point just like it.
  8. 14. a material in which a wave travels.
  9. 16. energy carried by an electromagnetic wave.
  10. 18. the passage of light through a medium.
  11. 19. a piece of information that is communicated through using the senses.