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Wave Properties

Blue Ridge Middle School Wave Properties Mr. Butler. Wave Properties . Blue Ridge Middle School 8 th Earth Science Mrs.Bright. Waves. 1. A wave is a disturbance that moves through matter or space. 2. Waves carry ENERGY NOT Matter. Wave Diagram.

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Wave Properties

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  1. Blue Ridge Middle School Wave Properties Mr. Butler Wave Properties Blue Ridge Middle School 8th Earth Science Mrs.Bright

  2. Waves • 1. A wave is a disturbance that moves through matter or space. • 2. Waves carry ENERGY NOT Matter.

  3. Wave Diagram • http://id.mind.net/~zona/mstm/physics/waves/partsOfAWave/waveParts.htm#pictureOfAWave

  4. Frequency • 1. Frequency is the measure of how many waves pass a point in a certain amount of time. (waves per second) • 2. The higher the frequency, the closer the waves are together AND the greater the energy carried by the waves.

  5. Amplitude 1 • 1. Amplitude is a measure of the distance between a line through the middle of a wave and a crest or trough.

  6. 2. The greater force = the greater amplitude = the greater energy carried by the wave. • 3. In a transverse wave the higher the wave the higher the amplitude.

  7. Amplitude 2 • 4. Sounds with greater amplitude are loud. • 5. Light with greater amplitude is bright.

  8. Wavelength • 1. Wavelength is a measure of the distance from crest to crest or trough to trough.

  9. Speed • 1. Speed is a measure of the distance a wave travels in an amount of time. • 2. Speed = wavelength X frequency

  10. Speed • 3. When a wave enters a different medium its speed changes. • 4. All EM waves travel at the SAME speed in space.

  11. Reflection • 1. The angle of the incoming wave = the angle of the outgoing wave.

  12. Refraction • 1. A change in the wave’s direction caused by a change in the wave’s speed.

  13. Refraction & Rainbows

  14. Diffraction • 1. Diffraction is the bending of waves around an object.

  15. FOLDABLE: Transverse Wave • 1.Causes particles to move back and forth at right angles to the direction the wave travels. • 2. High points in the waves are called crests. • 3. Low points in the waves are called troughs.

  16. FOLDABLE: Both • 1. Both are mechanical waves. • 2. Both carry energy from one place to another. • 3. Both have the properties of wavelength, frequency, and amplitude.

  17. FOLDABLE: Compression Wave • 1. Cause particles in matter to move back and forth along the same direction in which the wave travels. • 2. Places where the coils are squeezed together are called compressions. • 3. Places where the coils are spread apart are called rarefactions.

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