Energy and Sound

In which  medium will sound travel fastest?

• air
• water
• glass
• salt water

Tags

NGSS.4-PS3-2

NGSS.4-PS4-1

In which medium will sound travel slowest?

• air
• water
• glass
• salt water

Tags

NGSS.MS-PS4-2

If a sound is very loud, what must be true?

• The frequency of a sound wave is very high
• The intesity of vibration from the sound wave is very low
• The amplitutde of the sound wave is very low
• The intesity of vibration from the sound wave is very high

In a large stadium, when a batter hits the ball, people high up in the stands hear the crack of the bat a second after it happens because

• Sound has to travel in  many directions at once
• sound takes that much time to reach them
• sound is faster than light
• sound is a wave

Tags

NGSS.MS-PS4-2

Sound is caused by....

• molecules
• vibrations
• people
• space

Tags

NGSS.4-PS3-2

NGSS.4-PS4-1

What is vibration?

• how loud a sound is
• the back and forth movement of matter
• how high or low a sound is
• the loudness or softness of a sound

Tags

NGSS.4-PS4-1

Measure of how high or low a sound is

• amplitude
• compression
• speed of sound
• pitch

Tags

NGSS.4-PS4-1

An object that does not vibrate cannot produce

• sound
• light
• heat
• electricity

Tags

NGSS.4-PS3-2

NGSS.4-PS4-1

If you walk into an empty gym and yell, why would you hear an echo?

• The gym walls are soft and uneven. 
• The sound waves are being absorbed by the hard smooth walls.
• The sound waves are bouncing off the hard smooth gym walls.
• The gym walls are really clean.

Tags

NGSS.MS-PS4-2

Sound is a form of? 

• energy
• pitch
• volume

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2