Understanding Sound and Vibrations

What do we call a sound that is loud and unpleasant?

• Echo

• Noise

• Note

• Music

What is the common factor in the creation of all sounds?

• Electricity

• Heat

• Vibrations

• Light

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Which part of our body is primarily responsible for sensing vibrations?

• Eyes

• Nose

• Ears

• Hands

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What analogy is used to explain how sound travels through air?

• Rolling marbles

• Falling leaves

• Bouncing balls

• Dominoes

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What do we call the path of vibration that sound takes?

• Current

• Echo

• Wave

• Ripple

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What part of the ear vibrates when sound waves reach it?

• Ear bone

• Ear drum

• Ear canal

• Ear lobe

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What simple instrument can be made to observe vibrations?

• Drum

• Guitar

• Rubber band on a can

• Flute

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What happens to the sound when you stop the rubber band from vibrating?

• It changes pitch

• It stops

• It echoes

• It gets louder

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How can you make the sound from the rubber band louder?

• Use a thicker band

• Stretch it more

• Pluck it harder

• Pluck it gently

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What is the main message when you hear a sound?

• Something is heating

• Something is glowing

• Something is vibrating

• Something is moving

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