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Chapter 20 terms
| Question | Answer |
|---|---|
| Wave | any disturbance that transmits energy through mater or space |
| Medium | a substance in which a wave can travel |
| How energy transfers through a medium | When a particle vibrates it makes the next one vibrate and it moves on like a wave |
| How do sound waves work | it vibrates the next particle in the air then that one does the same and the particles do that in a wave form |
| Hoe do ocean waves transfer energy | they transfer energy through particles in an object |
| Electromagnetic Waves | waves that do not require a medium |
| Five things that use electromagnetic waves | T.V., Radio, X rays, Microwaves, Visible Light |
| How waves can be classified | based on direction in which the particles of the medium vibrate |
| How do transverse waves move | A wave in which the particles vibrate in an up and down motion |
| How do Longitude waves move | the particles of the medium vibrate back and forth along the path that the wave travels |
| Amplitude | the maximum distance the wave vibrates from its rest point |
| Wavelength | the distance between any two adjacent crests or compressions in a series of waves |
| Frequency | The number of waves produced in a given amount of time |
| Wave speed | the speed at which a wave travels |
| Wave speed formula | v=Axf |
| Reflection | occurs when a wave bounces back after striking a barrier |
| Refraction | the bending of a wave as it passes at an angle from one medium to another |
| Diffraction | the bending of waves around a barrier or through an opening |
| Interference | the result of two or more waves overlapping |
Created by:
Nick Curtis
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