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Chapter 9/10 Vocabulary
17 cards·by hawkinsscience
Wave
A disturbance that transfers energy from one place to another without transferring matter
Mechanical Wave
A wave that can only travel through matter
Medium
A material in which a wave travels
Crest
The highest point on a wave
Trough
The lowest point on a wave
Electromagnetic Wave
A wave that can travel through empty space and through matter
Amplitude
The maximum distance a wave travels from its rest position
Wavelength
The distance between one point on a wave and the next point just like it
Frequency
The number of wavelengths that pass by a point each second
Absorption
The transfer of energy from a wave to the medium through which it travels
Reflection
The bouncing of a wave off of a surface
Refraction
The change in direction of a wave as it changes speed in moving from one medium to another
Law of Reflection
When a wave is reflected, the incoming angle is equal to the outgoing angle
Light Ray
A narrow beam of light that travels in a straight line
Transparent
A material that allows almost all of the light to pass through
Translucent
A material that allows most of the light to pass through, but objects will appear blurry
Opaque
A material that doesn't allow light to pass through