Sound, Wave, and Communication Unit Test

Olivia has a jar with a ringing bell in it.  She is going to turn on a vacuum pump to get rid of all the air inside of the jar. Will the sound of the bell still be able to get to Olivia’s ears?

• The sound of the bell won’t be able to get to Olivia’s ears,  because it won’t go through empty space.
• Yes because the sound can bounce off of the glass.

Tags

NGSS.MS-PS4-2

When someone or something makes a sound in the room, how are the sound waves similar to ripples on a pond? 

• Sound waves are similar to ripples on a pond because they look similar and they both spread outwards. 
• Sound waves are similar to ripples on a pond because they look similar and spread inwards.

Tags

NGSS.MS-PS4-1

When someone or something makes a sound in the room, how are the sound waves different from the ripples on a pond? 

• Sound waves are different from ripples on a pond though, because sound waves travel through the light.
• Sound waves are different from ripples on a pond though, because sound waves travel through air.

Tags

NGSS.MS-PS4-2

What is wavelength?

• How high or low a pitch is.
• How loud a sound is.
• The length of a wave.

Tags

NGSS.MS-PS4-2

 A high sound has a ______ sound wave.

• long
• short

A low sound has a _________ sound wave 

• long
• short

_____is the highness or lowness of a sound (but not how quiet or loud the sound is).

• Volume
• Frequency
• Pitch

_______ is how quiet or loud a sound is.

• Pitch
• Volume
• Wavelength

Tags

NGSS.MS-PS4-1

__________ is the term scientists use to describe how ‘squished together’ or ‘spread out’ a wave is.

• Vibration
• Pitch
• Wavelength

Tags

NGSS.MS-PS4-1

_______is back-and-forth movement of something. 

• Vibration
• Sound
• Pitch