Sound Waves

Front

If the wavelength (b) increased, what would happen to the sound made by this wave?

Back

It would have a lower pitch

Front

If the wavelength decreased, what would happen to the sound made by this wave?

Back

It would have a higher pitch.

Front

Which number represents a compression? Options: 1, 2, 3

Back

1

Front

What will happen to the sound of a buzzer inside a bell jar once all the air is pumped out?

Back

There will be no sound

Front

What type of navigation system is the boat using in the shown figure?

Back

sonar

Front

What do all three examples have in common?

Back

The examples are producing a sound wave

Front

What is a natural vacuum that sound cannot travel through?

Back

outer Space

Front

True or False: Sound travels better through solids than through liquids

Back

True

Front

What causes the echo in a big, empty house when you walk through the rooms?

Back

sound waves reflecting off smooth, flat surfaces throughout the house

Front

Why is sound able to travel faster through a solid than a gas?

Back

Solid molecules are packed tightly.