ch. 14 science vocabulary preview. compression a compression is the party of the sound wave where...
TRANSCRIPT
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
• A wavelength is the distance between a point on one wave and a similar point on the next wave.
pitch
pitch
• A pitch is what makes a sound seem high or low.
reflection
reflection
• Reflection occurs when light rays bounce, or reflect, from a surface back to our eyes.
transparent
transparent
• If something is transparent, light rays pass through it. You can clearly see what is on the other side.
translucent
translucent
• Materials that let some light through but scatter other rays are translucent. The other side looks blurry.
opaque
opaque
• Materials that do not let light pass through are opaque. You cannot see through it.
refraction
refraction
• When light passes through and changes direction.