Sound Waves

Sound Waves

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Multiple Choice

Sound is a form of _______.

• heat

• light

• energy

• matter

Multiple Select

Which of the following WOULD allow sound to travel from one place to another? Check all of the ones you answer YES for.

• solid

• space

• liquid

• gas

Multiple Choice

In which of the following will sound move the fastest?

• solid

• space

• liquid

• gas

Multiple Choice

Which area is a compression?

• A

• B

• both

• neither

These are the longitudinal waves produced by a flute and a trombone.

Compare/Contrast the sounds made by a flute and a trombone.

Multiple Choice

Which instrument has a shorter wavelength?

• flute

• trombone

Multiple Choice

Which instrument has a higher frequency?

• flute

• trombone

Frequency and Pitch

• DIRECT Relationship

• High Frequency = High Pitch

• Low Frequency = Low Pitch

Which sound has the longest wavelength?

Which has the shortest?

Which sound has the highest frequency?

Which has the lowest?

Multiple Choice

Which sound has the highest pitch?

• 1

• 2

• 3

• 4

Multiple Choice

If a sound source is moving towards the observer, the wavelength of the sound will get....

• longer

• shorter

• stay constant

Multiple Choice

If a sound source is moving towards the observer, the frequency of the sound will get....

• higher

• lower

• stay constant

Multiple Choice

As the police car moves towards person A on the left, the pitch of the siren gets....

• higher

• lower

• stays constant

Multiple Choice

As the police car moves away person B on the right, the pitch of the siren gets....

• higher

• lower

• stays constant

Poll

I can describe the wavelength and frequency of a longitudinal sound wave.

• Yes, absolutely!

• I guess, but I need more practice.

• Uhm.....no

Poll

I can determine if the pitch of a sound gets higher or lower by using the Doppler effect.

• Yes, absolutely!

• I guess, but I need more practice.

• Uhm.....no