Sound

Which two factors contribute to the loudness of a sound?

• The distance a person or object is from the source of the sound.

• How awake the listener is.

• The amount of energy it takes to make the sound.

• How fast the sound is going.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

The amount of energy a sound wave carries per second through a unit area is called

• ultrasound

• echolocation

• frequency

• intensity

The intensity of a sound wave

• increases with distance from the source.

• decreases as amplitude increases.

• is the amount of energy the wave carries per second through the unit area.

• is determined by how much the sound is below the normal human range of hearing.

Tags

NGSS.MS-PS4-1

The pitch of a sound depends on the

• amplitude of the sound wave.

• interference of the sound waves.

• intensity of the sound wave.

• frequency of the sound wave.

Sound is a disturbance that

• does not travel through a medium

• does travel through a medium

Tags

NGSS.MS-PS4-2

Sound is what type of wave?

• Transverse

• Radio

• Sound is what type of wave?

• Longitudinal

What are the 3 types of mediums that sound can travel through?

• Air

• Liquids

• Solids

• Space

Tags

NGSS.MS-PS4-2

Types of sound wave interactions do NOT include:

• Reflection

• Refraction

• Interference

• Diffraction

Tags

NGSS.MS-PS4-2

Where are your vocal chords located?

• Your lorax.

• The left ventricle.

• Your pharynx.

• Your larynx.

A reflected sound wave is called an

• arrow.

• bounce.

• echo.

• sound.

Tags

NGSS.MS-PS4-2