Sound

_____________ is the highness or lowness of a sound.
(Hint: Think about our sound song.)

• Amplitude
• Pitch
• Volume
• Vibration

Sound waves travel the FASTEST through _____________.

• gases
• liquids
• solids

If a sound has a high amplitude then it also has a ____________!!!

• fast echo
• slow pitch
• high volume
• low volume

Tags

NGSS.MS-PS4-1

Sound is caused by....

• molecules
• vibrations
• people
• space

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

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.MS-PS4-1

NGSS.MS-PS4-2

Ryan makes an instrument from a drinking straw as shown. If he cuts the straw in half, what will happen to the pitch?

• decreases

• increases

• it will remain the same

• there is no sound

Tags

NGSS.MS-PS4-1

How is sound produced?

• By the vibration of particles
• By the transfer of particles 

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Area of a longitudinal wave where particles are CLOSE together.

• Compression
• Rarefaction

Area of a longitudinal wave where particles are APART. 

• Compression
• Rarefaction

How does sound travel?

• Sounds travels in waves
• sound travels slow
• sound travels fast
• sound doesn't travel

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2