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Johnathon - light vocbulary
light terms
15
Science
6th Grade
01/13/2006

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Term
Photon
Definition
A bundle of energy that is released when an atom loses some energy.
Term
Frequency
Definition
the # of waves that pass a point in a given amount of time.
Term
ampliude
Definition
The distance between a wave's mid point and its crest or trough.

How high a wave is.
Term
transverse wave
Definition
A wave in which the crests and troughs move at right angles to the direction of the waves travel.

When it does not move left or right just up and down.
Term
crest
Definition
The top of a wave.
Term
Trough
Definition
Bottom of a wave.
Term
Wave Length
Definition
The length of the wave.
Term
Transparent
Definition
Allows light to pass through easily
Term
Translucent
Definition
Allows light to pass through diffusely some light goes through, some is reflected.
Term
Opaque
Definition
Does not allow light to pass through easily. Reflects most light.
Term
refracted
Definition
The bending of light. slows you down when you run in the pool.
Term
reflected
Definition
bounces off of its object.
Term
defused
Definition
some passes through some is reflected.
Term
convex lens
Definition
Used to focus light on a surface.
Term
concave lens
Definition
Used to make objects appear larger.
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