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Read About Sound

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paint bounces up and down in a speaker due to the vibrations from sound
DEFINITION OF SOUND

Sound is caused by vibrations that travel through the air. These vibrations can cause other things to vibrate, too. We hear sound with our sense of hearing, which is made possible by our ears.

To better understand how sound works…

DEFINITION OF SOUND. Sound is caused by vibrations that travel through the air. These vibrations can cause other things to vibrate, too. We hear sound with our sense of hearing, which is made possible by our ears. To better understand how sound works…

LET’S BREAK IT DOWN!

Instruments make vibrations.

guitar string vibrates close up making sound

When you play an instrument such as a guitar, you are causing vibrations that make sound. The guitar strings move back and forth really fast when you pluck them.

Instruments make vibrations. When you play an instrument such as a guitar, you are causing vibrations that make sound. The guitar strings move back and forth really fast when you pluck them.
guitar string vibrates close up making sound

Your voice makes vibrations.

scientist and kids hum to feel the sound vibrations in their vocal cords

If you place your hand on your throat and hum, you can feel the vibrations of your vocal cords. Your vocal cords vibrate to make sound.

Your voice makes vibrations. If you place your hand on your throat and hum, you can feel the vibrations of your vocal cords. Your vocal cords vibrate to make sound.
scientist and kids hum to feel the sound vibrations in their vocal cords

It’s hard to see vibrations.

tuning fork vibrations make water splash out of the glass

You can’t always see sound waves because they are vibrating so fast. Placing a vibrating tuning fork in water can help you see the vibrations.