Sound

Sound is caused by? 

• force
• vibrations
• instruments

Tags

NGSS.HS-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.HS-PS4-1

NGSS.HS-PS4-5

What is frequency?

• the number of vibrations 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.HS-PS4-1

An object that does not vibrate cannot produce

• sound
• light
• heat
• electricity

Tags

NGSS.MS-PS4-1

What is volume?

• how high or low a sound is
• the loudness or softness of a sound
• the number of vibrations per second
• vibrations

What medium (solid, liquid, gas) does sound travel fastest through?

• solid
• liquid
• gas

Tags

NGSS.HS-PS4-1

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

This is what you get when sound waves are reflected, or bounce back, off of a hard surface.

• Amplitude
• Pitch
• Volume
• Echo

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.

Why is the school library covered with carpet?

• So everyone can make a lot of noise
• to help absorb sounds to keep it quiet
• because it looks good
• to help absorb sounds so it can stay noisy