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Ch. 14 Science

Ch. 14 Science. Vocabulary Preview. compression. compression. A compression is the party of the sound wave where the particles are bunched together. frequency. frequency. The frequency of a wave is the number of waves that pass a point in a certain amount of time. wavelength. wavelength.

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Ch. 14 Science

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  1. Ch. 14 Science Vocabulary Preview

  2. compression

  3. compression • A compression is the party of the sound wave where the particles are bunched together.

  4. frequency

  5. frequency • The frequency of a wave is the number of waves that pass a point in a certain amount of time.

  6. wavelength

  7. wavelength • A wavelength is the distance between a point on one wave and a similar point on the next wave.

  8. pitch

  9. pitch • A pitch is what makes a sound seem high or low.

  10. reflection

  11. reflection • Reflection occurs when light rays bounce, or reflect, from a surface back to our eyes.

  12. transparent

  13. transparent • If something is transparent, light rays pass through it. You can clearly see what is on the other side.

  14. translucent

  15. translucent • Materials that let some light through but scatter other rays are translucent. The other side looks blurry.

  16. opaque

  17. opaque • Materials that do not let light pass through are opaque. You cannot see through it.

  18. refraction

  19. refraction • When light passes through and changes direction.

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