Sound

The number of vibrations in a unit of time is called--

• pitch

• frequency

• compression

• wavelength

Which number on the diagram shows rarefaction?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS4-1

Sound travels best through which form of matter?

• Solid

• Liquid

• Gas

• Plasma

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

A person will see a flash of lightening before they hear the roar of thunder because-

• Light travels faster through the atmosphere than sound.

• Sound travels faster through the atmosphere than sound.

• The eye is quicker than the ear.

• The thunder occurs much later than the lightening.

The highness and lowness of sound describes which vocabulary word?

• wavelength

• trough

• pitch

• frequency

Sound is a type of energy that is transmitted through-

• light

• heat

• electrons

• waves

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which of these materials transmits sound fastest?

• water in a pool

• a metal rod

• air in a balloon

• empty space

Tags

NGSS.MS-PS4-2

Sonar helps people find which information about an object?

• weight

• color

• location

• temperature

Tags

NGSS.MS-PS4-2

A student plans to investigate how sound changes when 4 bottles with different amounts of liquid are struck with a mallet. In which order must the bottles be placed so that the sound changes from a low pitch to a high pitch?

• A,B,D,C

• B,A,D,C

• B,C,A,D

• C,D,B,A

Tags

NGSS.MS-PS4-1

Blowing through a straw will produce a sound. Which straw will make the highest pitch?

• The thinnest straw

• The thickest straw