Science 2.9-2.13 Flashcards
Giving off light energy
Luminous
The highest point of a wave
Crest
The lowest point of a wave
Trough
The measure of a wave’s strength, measured from its height to its resting position
Amplitude
Gives off light energy
Luminous
The measure of a wave’s strength
Amplitude
To allow waves to pass through
Transmit
Allowing no light to pass through
Opaque
A dark area or shape cast by an opaque object
Shadow
To throw back light, changing its direction
Reflect
Allowing light to pass straight through
Transparent
Allowing light through but scattering it so objects cannot be seen clearly
Translucent
______ materials block light.
Opaque
______ materials transmit light
Transparent
______ materials both block and transmit light, scattering it.
Translucent
The bending of light rays as they enter a new material
Refraction
The distance from one crest to the next crest
Wavelength
A transparent, solid figure used to separate white light into colors
Prism
The series of colors created when white light is separated
Color spectrum
To move rapidly back and forth
Vibrate
Bent light is called?
Refracted light
A prism can separate _____ light into colors.
White
The color of the spectrum with the longest wavelength is _____.
Red
Sound waves can travel only when there are molecules of matter to carry the ______.
Vibrations
The loudness or softness of sound
Volume
The highness or lowness of sound
Pitch
We can measure the strength of a sound wave by its _____.
Amplitude
Faster vibrations make _____ pitches.
Higher
