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Waves Mrs.Nora Villanueva Mrs.Martha Fuentes
What is Wave? A wave is a disturbance   that moves through   matter or space.   Waves transfer energy, not matter.
Kinds of Waves: <ul><li>Mechanical Waves can travel only through matter. </li></ul><ul><li>Example: Sound waves can travel...
Transverse Waves A transverse wave   causes particles to   move at right angles to   the direction in which   the wave tra...
Longitudinal Waves Also called compressional waves.   A longitudinal wave   causes particles in matter to move along the s...
Wavelength  Wavelength is the distance between one point on a wave and the nearest point moving in the same speed and   di...
Frequency The frequency of a wave is the   number of wavelengths that   pass by a point each second. Frequency is measured...
Amplitude Amplitude of a wave is the maximum distance that matter moves as the wave passes.
Wave behavior Reflect (bounce off) Refract (bend) Diffract  (bounce around an obstacle)
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WAVES

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Transcript of "WAVES"

  1. 1. Waves Mrs.Nora Villanueva Mrs.Martha Fuentes
  2. 2. What is Wave? A wave is a disturbance that moves through matter or space. Waves transfer energy, not matter.
  3. 3. Kinds of Waves: <ul><li>Mechanical Waves can travel only through matter. </li></ul><ul><li>Example: Sound waves can travel through air or water, but not through empty space. </li></ul><ul><li>Electromagnetic Waves can travel through both matter and space. </li></ul><ul><li>Examples: radio waves, gamma rays, microwaves, X-rays, light, etc. </li></ul>
  4. 4. Transverse Waves A transverse wave causes particles to move at right angles to the direction in which the wave travels. High points = Crests Low points = Troughs
  5. 5. Longitudinal Waves Also called compressional waves. A longitudinal wave causes particles in matter to move along the same direction in which a wave travels. Squeezed parts= compressions Spread out parts = rarefactions
  6. 6. Wavelength Wavelength is the distance between one point on a wave and the nearest point moving in the same speed and direction . The wavelength of a transverse wave is the distance between two adjacent crests or troughs. The wavelength of a longitudinal wave is the distance between two adjacent compressions or rarefactions.
  7. 7. Frequency The frequency of a wave is the number of wavelengths that pass by a point each second. Frequency is measured in units of hertz (Hz) .
  8. 8. Amplitude Amplitude of a wave is the maximum distance that matter moves as the wave passes.
  9. 9. Wave behavior Reflect (bounce off) Refract (bend) Diffract (bounce around an obstacle)
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