Investigating Sounds

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    Chapter 11 Investigating Sounds ( 13 videos)  (Practice Test)

      11.1: What is a Sound (Practice Test)
      Sound
    1. Sound
      1461 views
      2. Sound As A Form of Energy
    2. Sound As A Form of Energy
      1318 views
      3. Sound Waves Are Vibrations
    3. Sound Waves Are Vibrations
      421 views
      11.2: How Does Sound Travel (Practice Test)
      How Does Sound Travel?
    1. How Does Sound Travel?
      654 views
      2. Sound Waves Are Longitudinal Waves
    2. Sound Waves Are Longitudinal Waves
      3951 views
      11.3: How Does Sound Travel In Different Mediums? (Practice Test)
      Sound Needs A Medium To Travel
    1. Sound Needs A Medium To Travel
      873 views
      2. Speed of Sound in Solids, Liquids And Gases
    2. Speed of Sound in Solids, Liquids And Gases
      1408 views
      3. Speed of Sound in Different Materials
    3. Speed of Sound in Different Materials
      840 views
      11.4: How Do We Hear? (Practice Test)
      How Do We Hear?
    1. How Do We Hear?
      599 views
      2. The Structure of Ear
    2. The Structure of Ear
      1407 views
      3. Pleasant And Unpleasant Sounds
    3. Pleasant And Unpleasant Sounds
      4618 views
      4. Noise Pollution
    4. Noise Pollution
      224 views
      5. Ways to Reduce Noise Pollution
    5. Ways to Reduce Noise Pollution
      4760 views