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The Five Senses - Lesson 3: Hearing
Activity - Objects Vibrate
Objective
Students can say that sound is produced when objects vibrate.
Materials
Tuning fork; pan with water; cereal flakes; rubber band; drum; radio;
paper towels
Procedures
Students:
- Strike a turning fork and dip it in water.
- Sprinkle cereal flakes on a drum, then tap the top of the drum.
- Stretch a rubber band between two fingers and pluck it; stretch the elastic
farther and pluck it again.
- Put your hand on the top of a playing radio. Describe sounds and changes of
sounds of different objects.
- Put your fingers on the front of your throat, very close to your "voice
box." Be careful that you don't press hard enough to hurt yourself. Make a noise.
Describe what you felt in your throat as the noise was coming out.
Questions
- What did you feel when you touched the turning fork after you hit it?
- What did the rubber band do when you plucked it? What did it do when you
stretched it farther and then plucked it?
- What was each one of these objects doing as it was making a sound, including
your throat?
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