Standard Science Primary 6 Energy

When a drummer hits a drum, what causes the sound?

A Electrical pulses from the drummer's hands
B The vibration of the drum skin
C The drum sticks heating up
D Chemical reactions in the air
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Worked Solution

Step 1: Sound is produced by vibrations.Step 2: Hitting the drum causes the skin to move back and forth rapidly.Step 3: These vibrations travel through the air to our ears.

Correct answer: The vibration of the drum skin

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