Science

8th

grade

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Waves in Communication

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  • 1. Multiple Choice
    5 minutes
    1 pt
    How do FM waves travel?
    As changes in the frequency of the wave
    As changes in the amplitude of the wave
    As changes in the wavelength of the wave
    As changes in the resonance of the wave
  • 2. Multiple Choice
    5 minutes
    1 pt
    In AM waves what remains constant? 
    Frequency 
    Amplitude 
    Wavelength 
    Crests
  • 3. Multiple Choice
    5 minutes
    1 pt
    Which waves can reach great distances (Waves go into atmosphere and reflect back to Earth so that can move around the curvature of Earth)? 
    FM
    AM
    Radio 
    Microwaves 
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