13. Sound Waves

13. Sound Waves

Multiple Choice

What's another word for stationary?

• Moving

• Not moving

Multiple Choice

Which box of particles has a higher density?

• Box A

• Box B

• cannot be determined

• they are the same

Multiple Choice

Which wave in the diagram has the highest/greatest frequency?

• 1

• 2

• 3

• 4

Multiple Choice

What kind of wave is this?

• Transverse
• Longitudinal

Multiple Choice

What type of wave do you think sound is?

• Transverse

• Longitudinal/Compression

Multiple Choice

Which medium is the densest (meaning particles are packed closest together)?

• Solids

• Liquids

• Gases

Multiple Choice

In which medium do you think sound can travel the fastest?

• Solids

• Liquids

• Gases

Multiple Choice

Which molecules vibrate faster?

• Hot

• Cold

Multiple Choice

Which wave has the higher pitch?

• A

• B

Test your hearing

This video will increase in frequency until you can't hear anything anymore. The limit is different for every person and your range get smaller as you get older (I can't hear the highest pitch you guys can hear)

Multiple Choice

Which sound wave is going to be louder?

• A

• B

Multiple Choice

The boy hears the ambulance driving toward him from the left, and away from him to the right. When does he hear the sound as higher pitched?

• towards him

• away from him