What is a medium?

• Solid

• Liquid

• Gas

• All of the above

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Sound needs a medium in order to travel.

• True

• False

Tags

NGSS.MS-PS4-2

Sound waves can travel through a vacuum.

• True

• False

Sound waves

• don't travel

• travel in all directions

• travel in only one direction

• travel only north

A place where no sound exists is

• in the air

• space

• under water

• all of the above

Sound is a form of energy produced by

• vibrations

• prisms

• distances

• wires

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Sound does not travel in space because

• space is too far away

• space is the final frontier

• space has planets

• there is no matter in space

What is frequency?

• the number of vibrations per second
• how high or low a sound is
• the loudness or softness of a sound
• the back and forth movement of matter

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Sound is a form of? 

• energy
• pitch
• volume

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Measure of how high or low a sound is

• amplitude
• compression
• speed of sound
• pitch