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Light and Waves Vocabulary

Terms in this set (18)

Wavelength
Distance between two peaks or two troughs
Peak/Crest
Highest point in a wave
Trough
Lowest point in a wave
Pigment
Molecules that will absorb certain wavelengths
Reflection
When light bounces off a surface
Visible light color that carries the least amount of energy
Red light
Visible light color that carries the most amount of energy
Violet light
Absorption
When light is "captured" by the surface
Color when all light is absorbed
Black light
Color when all light is reflected
White light
Transparent
Objects that allows all light to pass through
Translucent
Objects that allow some light to pass through
Opaque
Objects that do not let any light pass through
Amplitude
Determines how much energy the light wave will carry
High frequency wave
Waves that carry a lot of energy and have short wavelengths
Low frequency wave
Waves that carry small amounts of energy and have long wavelengths
Pitch of a sound is determined by its _______
Frequency
Volume or how loud a sound can be is determined by its ________
Amplitude
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