Sound Science

Sound transfers energy by moving in a _________.

• Transverse wave

• Longitudinal wave

Tags

NGSS.MS-PS4-2

Which best describes how sound is produced?

• By the vibration of particles

• By the transfer of particles

Tags

NGSS.MS-PS4-1

The reflection of sound waves off of a hard surface can create ______.

• A wave
• An echo 

Tags

NGSS.MS-PS4-2

Soft surfaces _______ sound waves. 

• Reflect
• Absorb

Tags

NGSS.MS-PS4-2

________ describes how LOUD a sound is.

• Amplitude

• Frequency

• Wavelength

____________ is determined by sound wave's frequency. 

• Compression
• Pitch 

If you had to make some headphones to isolate sound, which material would you use?

• Soft, because they absorb sound. 
• Hard, because they reflect sound. 

Tags

NGSS.MS-PS4-2

_______ is how high or low we hear or perceive a sound.

• Pitch

• Frequency

• Amplitude

• I don't know

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-PS4-2

NGSS.MS-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