Lesson 4, 5 & 6 Cumulative Sound Review

Front

What do waves look like when they're low-pitched?

Back

Low-pitched waves have a longer wavelength and are less frequent.

Front

Which material would sound travel through the fastest?

Back

Sound travels fastest through steel.

Front

The higher the ____ the higher the ___

Back

pitch, frequency

Front

Through which medium is it impossible to transmit sound waves?

Back

Sound waves cannot travel through space.

Front

Soft surfaces _______ sound waves.

Back

Absorb

Front

What is the definition of sound waves?

Back

Sound waves are vibrations that travel through a medium (solid, liquid, or gas).

Front

What is pitch in sound?

Back

Pitch is how high or low a sound is, determined by the frequency of the sound wave.

Front

What is frequency in sound?

Back

Frequency is the number of waves that pass a point in one second, measured in Hertz (Hz).

Front

How does temperature affect the speed of sound?

Back

Sound travels faster in warmer temperatures because molecules move more quickly.

Front

What happens to sound waves when they hit a hard surface?

Back

They reflect off the surface.