Physics Quiz

If something is vibrating very quickly, it will likely:

• have a very low sound like tuba

• have a really quick beat like dance music

• have a really high sound like a flute

• be very soothing to listen to

If something is vibrating very slowly it will likely:

• sound like tinker bells

• not have enough energy to vibrate your ear drum

• sound very deep and low like a foghorn

• try to catch up to the quick waves

What is a "vacuum" as discussed in the story?

• A machine for cleaning carpets.

• A space that is completely empty of all particles, including air.

• A room that is so noisy that you cannot hear yourself think.

Sounds can be high-pitched or low-pitched. They can also be loud or soft. Fill in this chart with examples of sounds of each type:

Do you think you can hear anything under water? Why or why not?