Sound and Light Review

Front

What is refraction?

Back

when light bends

Front

How does sound travel?

Back

in waves

Front

Pitch is __________________.

Back

how high or low a sound is

Front

The longer the string on an instrument, the _________ the pitch.

Back

lower

Front

What causes sound? Options: when the pitch is high, when the volume is loud

Back

when something vibrates

Front

My vocal cords ___________ when air passes through them.  This allows me to speak.

Back

vibrate

Front

What does it mean to reflect?

Back

bounce off

Front

What does it mean to refract?

Back

to bend

Front

What happens when light hits a mirror?

Back

it reflects

Front

What happens when an object is opaque?

Back

no light is able to pass through