Light & Sound

Which diagram of a sound wave represents the sound with the highest pitch?

• A
• B
• C
• D

Tags

NGSS.MS-PS4-1

Which way of communicating will NOT work for astronauts in outer space?

• ringing a bell
• flashing a light
• using a radio
• waving a hand

Which material does sound travel through the fastest?

• air 
• outer space
• water
• brick

What causes sound?

• something vibrating
• a part of a car
• an object moving through the air
• light energy

What happens to a sound if the frequency of the vibrations increases?

• the volume decreases
• the pitch increases
• the sound echoes
• the sound gets louder

In a sound wave, the area where molecules have been pressed together is a...

• Compression
• Rarefaction
• Wavelength

Tags

NGSS.MS-PS4-1

What is determined by the amount of energy in a sound wave? (volume)

• Amplitude
• Pitch

In a sound wave, which area has greater air pressure?

• Wavelength
• Rarefaction
• Compression

Tags

NGSS.MS-PS4-1

This picture (B) shows light moving as a...

• Transverse Wave
• Ocean Wave
• Compression Wave
• Slinky Wave

In a sound wave, the area where there are fewer molecules and they are spread out is a...

• Compression
• Rarefaction