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waves and heat
vocab and ?'s
17
Science
9th Grade
04/20/2008

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Cards

Term

reflection

Definition
waves strike a surface
Term
Transverse
Definition
Travel perpendicular to the way they vibrate
Term
hertz
Definition
Measure of frequency
Term
Destructive Interference
Definition
Two or more waves traveling in the same medium interact and oppose each other
Term
refraction
Definition

Waves bend when entering a new medium

Term
longitudinal waves
Definition
Travel parrallel to the way they vibrate
Term

diffraction

Definition
waves bend around an obstacle in theyre path
Term
wavelength
Definition
the distance from one corresponding point on a wave to the same point on the next wave
Term

Amplitude

Definition
the height of the wave either rest position to trough
Term
velocity
Definition
the speed and direction of the wave distance divided by time
Term
duality
Definition

particles and waves- electromagnetic waves

Term
frequency
Definition
the number of waves that pass a fixed point in a given amount of time.
Term
Meter
Definition
unit of measure of length
Term
Constructive Interference
Definition
A reinforcement of two waves , amplitude increases
Term
Temperature
Definition
A measure of an object the average molecular motion of a substance not related to the mass of a object. Doesnt measure heat.. Measures molecular motion
Term
Thermal Energy
Definition
The total kinetic and potential energy of an object
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