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Explore key terms like compression, frequency, wavelength, pitch, reflection, and more to grasp the fundamentals of sound and light wave properties. Learn how these concepts shape our perception of the world around us.
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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.
frequency • The frequency of a wave is the number of waves that pass a point in a certain amount of time.
wavelength • A wavelength is the distance between a point on one wave and a similar point on the next wave.
pitch • A pitch is what makes a sound seem high or low.
reflection • Reflection occurs when light rays bounce, or reflect, from a surface back to our eyes.
transparent • If something is transparent, light rays pass through it. You can clearly see what is on the other side.
translucent • Materials that let some light through but scatter other rays are translucent. The other side looks blurry.
opaque • Materials that do not let light pass through are opaque. You cannot see through it.
refraction • When light passes through and changes direction.