8.2 How can a sound make something move? - Assessment 2

What is frequency?

• the number of waves per second

• how high or low a sound is

• the loudness or softness of a sound

• the back and forth movement of matter

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

A longer string makes a _______ pitch than a short string.

• louder
• softer
• higher
• lower

If a sound has a high amplitude then it also has a ____________!!!

• fast echo
• slow pitch
• high volume
• low volume

Tags

NGSS.MS-PS4-1

A student holds two vibrating objects.  Object A is vibrating faster than object B.  Which statement is true?

• A is louder than B
• B is louder than A
• A will have a higher pitch than B
• B will have a higher pitch than A

Sound waves travel as ________ waves.

• transverse

• electromagnetic

• longitudinal

• surface

Tags

NGSS.MS-PS4-2

Sound is made when a source of energy forces the matter to:

• shake

• vibrate

• move

• stay still

If you want to change the pitch of a sound, you have to change the ___

• frequency
• amplitude
• speed
• volume

When a sound is louder what measurement gets bigger?

• Frequency 
• Amplitude 
• Wavelength 
• Crest

Tags

NGSS.MS-PS4-1

Sound waves must travel through ___________________.

• air

• a medium

• an outward area

• a short

Tags

NGSS.MS-PS4-2

The sound that we actually hear is the vibration of molecules.

• True

• False

Tags

NGSS.MS-PS4-1