Sound and Frequency HW #2

When tapped with a spoon which bottle has the highest pitch?

• Blue

• Green

• Red

• They are all the same because of the color

When tapped with a spoon which bottle has the lowest pitch?

• Bottle 1

• Bottle 2

• Bottle 3

• Bottle 6

When tapped with a spoon which bottle has the lowest pitch?

• Orange

• Green

• Blue

• They are all the same pitch

When the Vacuum Pump was turned on what happened to the volume of the bell and why? (2 answers)

• The volume decreased

• The volume increased

• The frequency went higher

• The pump took the air out of the jar leaving no medium for the sound to vibrate

• The vacuum pump decreased the frequency so we could not hear it.

We agree that B will have the higher pitch. How can you make A have a higher pitch?

• Make string A shorter than B.

• Make string A thicker than B

• Make string A thinner than B.

• Make string A the same length as B

• It is not possible to make this happen

Which instrument has the highest vibration rate?

• A

• B

• C

• D

Which instrument has the lowest vibration rate?

• A

• B

• C

• D

What will happen to the sound of the crowd noise when the sound waves go into the water and the swimmers hear it in the water?

• The sound waves will collapse

• The sound waves slow down when they go into water

• The sound waves go the same speed when they go into water

• The sound waves speed up when they enter the water

A sound wave is sent through the following items. Place them in order of fastest to slowest for how fast a sound wave will go through each.

• A pillow on a bed

• Your Science table

• The air in a hot air balloon

• The water in a swimming pool

Which drum will have the fastest vibration rate and why? (2 answers)

• Red

• White

• Blue

• It will vibrate faster

• It will vibrate slower