Sound

Front

What are sound waves?

Back

Sound waves are compression waves that travel through different mediums.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Front

What type of instrument creates sound when you blow into or across it?

Back

Wind instruments create sound when you blow into or across them.

Front

What happens to the pitch of sound when small objects vibrate fast?

Back

Small objects that vibrate fast produce a high pitch.

Front

Why does sound travel slowest through gas?

Back

Sound travels slowest through gas because the atoms and molecules are far apart.

Tags

NGSS.MS-PS4-2

Front

What method do some animals use to find their way in the dark?

Back

Some animals use echolocation to find their way in the dark.

Front

What is the definition of compression waves?

Back

Compression waves are waves that move through a medium by compressing and expanding the particles in the medium.

Front

What is an example of a wind instrument?

Back

An example of a wind instrument is a flute.

Front

How does temperature affect the speed of sound?

Back

Sound travels faster in warmer temperatures because the particles are moving more quickly.

Tags

NGSS.MS-PS1-4

Front

What is echolocation?

Back

Echolocation is a method used by some animals to locate objects by emitting sound waves and listening for echoes.

Front

What is the difference between high pitch and low pitch?

Back

High pitch sounds are produced by fast vibrations, while low pitch sounds are produced by slow vibrations.

Tags

NGSS.MS-PS4-1