Sound travels FASTEST through which of these materials?

• Air
• Empty space
• Metal
• Water

Tags

NGSS.MS-PS4-2

Sound is caused by? 

• force
• vibrations
• instruments

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.MS-PS4-1

Sound is a form of? 

• energy
• pitch
• volume

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Measure of how high or low a sound is

• amplitude
• compression
• speed of sound
• pitch

This is the unit used to measure the volume of a sound. 

• Decibel
• Medium
• Vibration
• Oscilloscope

This word refers to any substance that sound can travel through.  Sound can travel through solids, liquids, and gases.

• Decibel
• Medium
• Vibration
• Oscilloscope

Tags

NGSS.MS-PS4-2

Why is sound able to travel faster through a solid than a gas?

• Gas molecules are packed tightly.
• Sound does not travel faster through a solid than a gas.
• Solid molecules are packed tightly.
• Gas molecules move slowly.

Tags

NGSS.MS-PS1-4

What pitch does a tuba make? 

• high
• low

What pitch does a violin make? 

• high
• low