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Ch. 14 Science Vocabulary Preview
A compression is the party of the sound wave where the particles are bunched together.
The frequency of a wave is the number of waves that pass a point in a certain amount of time.
A wavelength is the distance between a point on one wave and a similar point on the next wave.
A pitch is what makes a sound seem high or low.
Reflection occurs when light rays bounce, or reflect, from a surface back to our eyes.
If something is transparent, light rays pass through it. You can clearly see what is on the other side.
Materials that let some light through but scatter other rays are translucent. The other side looks blurry.
Materials that do not let light pass through are opaque. You cannot see through it.
When light passes through and changes direction.
Chapter 4- Sound, Light, and Heat _____________ is how high or low a sound is. Pitch.
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DEFINITION OF A WAVE A wave is a transfer of energy from one point to another: Waves can exist in many forms, but the ones we will be covering are sound.
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Waves. What are waves? What causes waves? A wave is a disturbance that transfers energy from place to place. Waves are created when a source of energy.
Light and Sound In this unit: 1)Properties of light 2)Reflection 3)Colors 4)Refraction.
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1. A wave can make a leaf bob up and down on the water, but it cannot move the leaf toward the shore. This is because waves only transfer 1.matter 2.energy.
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