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Grade 4 Science
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Grade 4 Science



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  • 1. Grade 4 Science Sound
  • 2.  
  • 3. What is Sound?
    • Our first step…brainstorming ideas!
    • I had the students think of words or anything that came to mind, when they think about “Sound”
    • There were lots of great ideas generated!
  • 4.  
  • 5.
    • As a class we did the first 2 columns of the KWL chart together…
  • 6. Vibrations
    • We had defined vibrations as something moving back and forth very quickly; vibrations create Sound
    • Then we moved onto our first experiment to test out vibrations!
  • 7. Sound is Vibrations
    • Experiment # 1: To examine (hear and feel) sound vibrations!
    • Materials:
    • You will need- A Partner. A balloon.
    • Method: What you have to do-
    • 1) Blow up the balloon. 2) Hold it against your ear. 3) Ask your partner to press their lips against the balloon and speak. 4) Repeat steps 3 and 4 but this time you should speak and your friend should listen.
  • 8. Frequency & Pitch
    • We defined pitch as: how high or how low a sound is; depends on the number of vibrations
    • We defined pitch as how high or low a sound is; depends on the number of vibrations
  • 9. Experiment # 2
    • Experiment: to contrast high pitch and low pitch!
    • Materials:
    • You will need- 3 bottles, form a group of 3, water, recording sheet
    • Method: What you have to do-
    • 1) Fill in 100ml of water in first bottle
    • 2) Fill in 150ml in 2 nd bottle
    • 3) Fill in 200ml in 3 rd bottle
    • 4) Blow across the tops of the bottles (note the differences)
    • 5) Tap the bottles (what is the difference?)
  • 10.  
  • 11.