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Waves (Simple Harmonic Motion (Amplitude (the maximum displacement or…

- - - - the capacity for doing work
    - - are created as a result of vibrations between an electric field and magnetic field.
    - - Reflect
        
        involves a change in direction of waves when they bounce off a barrier
      - Referact
        
        waves involves a change in the direction of waves as they pass from one medium to another
      - Diffract
        
        involves a change in direction of waves as they pass through an opening or around a barrier in their path.
  - - - Radio Waves
        
        generated artificially by transmitters and received by radio receivers
      - Microwaves
        
        electromagnetic waves with relatively long wavelengths and low frequencies.used for microwave ovens, cell phones, and radar.
      - Infrared Waves
        
        is a type of electromagnetic radiation, is longer than light which humans can see and shorter than microwaves.
      - Visible Light
        
        the wavelengths that are visible to most human eyes
      - Ultraviolet Waves
        
        Invisible rays that are part of the energy that comes from the sun, can burn the skin, and cause skin cancer
      - X-rays
        
        a picture taken of the inside of something using high energy electromagnetic radiation with short wavelengths that can pass through items
      - Gamma rays
        
        A stream of high-energy electromagnetic radiation
- - - - Wavelength
        
        distance between corresponding points of two consecutive waves
      - Crest
        
        the point on a wave with the maximum value of upward displacement within a cycle.
      - Trough
        
        is the lowest point the medium sinks to
    - - any substance that carries the wave, or through which the wave travels
    - - a wave produced by the acceleration of an electric charge and propagated by the periodic variation of intensities of, usually, perpendicular electric and magnetic fields.
  - - - a wave that is an oscillation of matter, and therefore transfers energy through a medium
    - - is the reduction of an item's density, the opposite of compression.
    - - is the application of balanced inward ("pushing") forces to different points on a material or structure, that is, forces with no net sum or torque directed so as to reduce its size in one or more directions.