Waves

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Across
  1. 3. a substance that transfers from one place to another.
  2. 4. upright, virtual image.
  3. 6. a wave measured from its equilibrium position.
  4. 9. A pressing or squeezing together. wavelength
  5. 10. You heat up your food in it.
  6. 11. doctors use it to see broken bones
  7. 12. a piece of transparent material
  8. 13. The high point of a wave
  9. 15. vibrations between an electric field and a magnetic field.
  10. 17. distance between successive crests of a wave,
  11. 18. the low part of a wave
Down
  1. 1. a wave vibrating at right angles to the direction of its propagation.
  2. 2. a wave that is an oscillation of matter,
  3. 5. a piece of transparent material longitudinalwave a wave vibrating in the direction of propagation.
  4. 7. a beam of light or other system of waves is spread out
  5. 8. a position or state of equilibrium.
  6. 14. a disturbance that transfers energy from one place to another.
  7. 16. reflection of sound waves from a surface.