Communicating using sound

What is an example of using sound to communicate and solve a problem?

• banging on your desk when you’re mad

• Going to sleep at night and waking up in the morning

• Calling for help when there is an emergency and solving the problem

Tags

NGSS.MS-LS1-8

Which is a device that uses sound to communicate over a distance?

• Screaming

• Doing nothing

• Whispering

• Police sirens

What is sound?

• Music

• Vibrations that you can hear

• Something you can feel that moves

• Noise

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Sounds are made when….

• The battery is full

• Something vibrates

• There’s no energy

• None of the above

Tags

NGSS.MS-PS4-1

Since vibrations move really fast, we can see the sound it makes.

• False

• True

Tags

NGSS.MS-PS4-1

When an object vibrates, movement is caused in the air particles.

• True

• False

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Sound waves continues to move until the particles run out of energy

• False

• True

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2