Sound

Sound moves in a _________.

• Transverse wave
• Longitudinal wave

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

How is sound produced?

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

Tags

NGSS.MS-PS4-1

Which device measures sound waves?

• Oscilloscope
• Stethoscope 
• Radio
• I don't know

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Soft surfaces _______ sound waves. 

• Reflect
• Absorb

Tags

NGSS.MS-PS4-2

__________ means to move back and forth quickly.

• Pitch
• Amplitude
• Vibration
• Echo

Your ear changes the vibration of sound waves into signals. The signals are then interpreted by your brain.

• True
• False

Sound waves travel the FASTEST through _____________.

• gases
• liquids
• solids

Tags

NGSS.MS-PS4-2

Sound waves travel the SLOWEST through _____________.

• gases
• solids
• liquids

Why can't we hear sound in space?

• can't take our helmet off to hear
• Space has no mass / no gas/ solids/ liquids
• because it's dark
• Don't know, I've never been to space

Why do we see lightning before we hear the thunder?

• Our eyes trick us
• Light travels faster than sound
• they're two separate things