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Ch. 14 Science Vocabulary Preview. compression A compression is the party of the sound wave where the particles are bunched together.

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Presentation on theme: "Ch. 14 Science Vocabulary Preview. compression A compression is the party of the sound wave where the particles are bunched together."— Presentation transcript:

1 Ch. 14 Science Vocabulary Preview

2 compression

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

4 frequency

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

6 wavelength

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

8 pitch

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

10 reflection

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

12 transparent

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

14 translucent

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

16 opaque

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

18 refraction

19 When light passes through and changes direction.


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