If the wavelength of a sound wave is decreased, what would happen to the sound made by this wave?

• It would have a lower pitch

• It would get softer

• It would get louder

• It would have a higher pitch

The measure of how high or low a sound is:

• the intensity

• the size of the wavelength

• how loud or soft a sound is

• the pitch

Which of the following is a CORRECT statement?

• Sound can travel through the vacuum of space

• Sound can't travel through the vacuum of space

• Sound is produced in the vacuum of space

• Sound can travel between planets

Frequency is measured in ____

• meters

• hertz

• decibels

• seconds

Between waves F and G, which is higher in pitch?

• Wave F

• Wave G

Between waves F and G, which is lower in pitch?

• Wave F

• Wave G

Tags

NGSS.MS-PS4-1

Sound travels through solids, liquids AND gasses.

• True

• False

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Sound travels SLOWEST through :

• Solids

• Liquids

• Gases

Answer explanation

Just like the dominoes, the molecules in a SOLID are closer together, so sound is able to travel faster.

In a gas, the molecules (dominoes) are farther apart, so sound travels slower.

Sound travels faster in a closely packed materials

• TRUE

• FALSE

Select ALL waves that are lower in pitch than wave A.

• Wave B

• Wave C

• Wave D