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    1.2 1.2 Presentation Transcript

    • Science Starter: February 8, 2012
      • How could you measure each of these of things?
        • Width of a door opening
        • Volume of a liquid
        • Length of time
      Write out the questions and answer You have 5 mins after the bell rings. MAKE SURE TO PUT THE DATE
    • Waves have Measureable Properties Pages 16-21 (section C)
    • Measuring Wave Properties
      • Crest - the highest point, or peak of a wave
    • Measuring Wave Properties
      • Trough - the lowest point, or valley of a wave
    • Measuring Wave Properties
      • Amplitude - the distance between a line through the middle of a wave and crest or trough
      Amplitude is important because it indicates how much energy a wave is carrying. *The bigger the amplitude, the more energy the wave has.*
    • Measuring Wave Properties
      • Wavelength - the distance from crest to crest or trough to trough
    • Measuring Wave Properties
      • Frequency - the number of wavelengths that passes a fixed point in a certain amount of time
    • Wave Speed
      • Wave speed can be measured:
        • Speed= wavelength x frequency
      • http://videos.howstuffworks.com/discovery/27959-assignment-discovery-wavelength-basics-video.htm