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# Science 4/20 test

### Wave

A disturbance that transfers energy from place to place Wave
Mechanical waves are created when a source of energy causes a medium to Move
The speed of a wave is its wavelength times its Frequency
The bending of waves due to change in speed Refraction
Bending of waves around the edge of a barrier Diffraction
Interaction between two waves that meet Interference
Waves combine to make a wave with a larger amplitude Constructive
When a incoming wave combines with a reflected wave in a way that the combines wave appears to be standing still. Standing Wave
Occurs when vibrations traveling threw an object match the objects natural frequency. Resonance
A wave travels threw a medium because Energy passes from particle to particle
Mechanical waves are classified according to how they move
Frequency is measured in units called Hertz / Hz
When a wave hits a object that it can not pass and bounces back Reflection
Waves combine to produce a smaller amplitude wave Destructive Interference
Why do you see lightning before Thunder Light travels faster then sound
Compression and Refractions are characteristic to Longitudinal wave
Created by: playsoccer7
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