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Competency Goals:: 4: The learner will conduct investigations and use appropriate technology to build an understanding of the concepts of sound.
Objectives:
4.01: Demonstrate how sound is produced by vibrating objects and vibrating columns of air.
4.02: Show how the frequency can be changed by altering the rate of the vibration
4.03: Show how the frequency can be changed by altering the size and shape of a variety of instruments.
4.04: Show how the human ear detects sound by having a membrane that vibrates when sound reaches it.
4.05: Observe and describe how sounds are made by using a variety of instruments and other "sound makers" including the human vocal cords.