Sound

Living thing can produce sound is....

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Non-living thing can produce sound is...

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There are loud and soft sound. Which picture shows soft sound?

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Which picture shows loud sound?

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This ringing alarm clock has a ... sound.

• loud

• soft

• simple

Sound of thunder is ....

• soft

• loud

• softer

True or False: Sound waves are produced when something vibrates.

• True

• False

Sound is caused by? 

• force
• vibrations
• instruments

What is vibration?

• how loud a sound is
• the back and forth movement of matter
• how high or low a sound is
• the loudness or softness of a sound

To make a sound from a stringed instrument louder you must

• hit it
• pluck it harder
• hold it higher
• pluck it softer