Science Project 8th Grade

Science Project 8th Grade
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Storyboard Text

  • Crest
  • 
  • What is a wave? A wave is a disturbance that carries energy through oscillations, which are up and down motions. Waves come in two types: Mechanical and electromagnetic.
  • The picture on my board is an example of a mechanical transverse wave.
  • Trough
  • The first coil of the wave is a compression, which is the densest part of the wave. The second coil is a rarefaction, which is the least dense part of the wave. Longitudinal waves include things like seismic P-waves.
  • 
  • Mechanical Waves have two types: transverse and longitudinal. Transverse waves are things like water, light, and sound. Transverse waves move up and down, and longitudinal waves move in a coil like pattern. Longitudinal waves include things like X-Rays, radio waves, and microwaves.
  • Amplitude
  • There are many parts of a wave. All waves have wavelengths, which is the distance from a point on a wave to a corresponding point, and Amplitude, which is the highest and lowest points on a wave. Transverse waves have crests and troughs, which is the highest and lowest points on a wave. Longitudinal waves have compressions and rarefactions, which are the densest and least dense points on a wave.
  • 
  • The picture on my board is an example of a mechanical transverse wave.
  • Wavelength
  • Frequency is the number of oscillations per second. This is a high frequency wave. It is called that because there are more oscillations per second than the wave below, which is a low frequency wave because it has less oscillations per second.
  • Transverse waves have to travel through a medium, which is a solid, liquid, or gas that a wave travels through. A medium absorbs part of a wave, like how soft things can absorb some of the sound. The bar on the wave is a wall, which is the medium that the wave is traveling through.
  • 1) Crest: The maximum distance away from the resting point 2) Trough: The maximum lowest distance away from the resting point 3) Amplitude: The maximum distance a wave oscillates from the resting point 4) Wavelength: The distance from a point on a wave to a corresponding point on the same wave 5) Medium: Matter that a wave travels through 6) Compression: the densest point on a longitudinal wave 7) Rarefaction: The least dense point on a longitudinal wave
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