Sound

Which of the following frequencies is considered ultrasonic?

• 25,000 Hz

• 200 Hz

• 20 Hz

• 20,000 Hz

A sound with a high frequency has a _____ pitch. A sound with a ____ frequency has a low pitch.

• high, low

• low, high

• medium, high

• high, medium

A sound that bounces off a surface is called an ________.

• loud sound

• echo

• repeat

• quiet sound

Tags

NGSS.MS-PS4-2

Sound travels FASTEST through which of these materials?

• Air

• Empty space

• Metal

• Water

Sound is caused by? 

• force

• vibrations

• instruments

Why is sound able to travel faster through a solid than a gas?

• Gas molecules are packed tightly.

• Sound does not travel faster through a solid than a gas.

• Solid molecules are packed tightly.

• Gas molecules move slowly.

Tags

NGSS.MS-PS4-2

Matter that carries sound waves is called a _________

• low

• high

• medium

• surface

Tags

NGSS.MS-PS4-2

A back and forth movement of matter

• volume

• vibration

• pitch

• frequency

how high or low a sound is

• frequency

• volume

• vibration

• pitch

Sound is a form of? 

• energy

• pitch

• volume

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2