Sound Quiz

Sound is a form of energy, just like electricity and light.

• True

• False

ALL sound is caused by _____________

• sound waves

• loud objects

• vibrations

• 6th Graders

The change in pitch (frequency) as a sound gets closer to you is known as ________________?

• volume

• amplitude

• frequency

• Doppler Effect

Tags

NGSS.HS-PS4-1

The harder the surface, the more sound is reflected. so, what would happen to sound if it comes across the surface in this image?

• sound would be mostly absorbed

• sound would be mostly reflected

• sound would be mostly heard

• all of the above

Tags

NGSS.MS-PS4-2

Why does sound travel fastest in a solid?

• Sound does not travel fastest in a solid.

• solid molecules are tightly packed

• Solids are smooth, so sound just slides through it.

• none of the above

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-1

The part of a sound wave where the molecules are crowded together is known as...?

• amplitude

• compression

• rarefaction

• none of the above

The part of a sound wave where the molecules are spread apart...?

• compression

• density

• rarefaction

• all of the above

The ____________a sound gets, the ___________the pitch.

• closer, higher

• louder, lower

• further away, higher

• none of the above

What is a reflected sound wave?

• a sound wave with no vibrations

• a sound wave that is absorbed

• a sound wave that is too low to hear

• an echo

Tags

NGSS.MS-PS4-2

What is a place where there are NO molecules?

• space

• a vacuum

• both space and a vacuum

• none of the above