Savvas Ch.6 L2 Sound Pre-Test

Front

What is sound?

Back

Sound is a type of energy made by vibrations that travel through the air or another medium.

Front

What causes sound?

Back

Sound is caused by vibrations.

Front

What is an echo?

Back

An echo is the sound that is reflected off a hard surface and heard again.

Front

What does frequency measure?

Back

Frequency measures the number of vibrations per second.

Front

What is pitch?

Back

Pitch is how high or low a sound is.

Front

What is amplitude?

Back

Amplitude refers to the loudness or softness of a sound.

Front

How does temperature affect the speed of sound?

Back

The speed of sound increases with higher temperatures.

Front

What is the relationship between density and the speed of sound?

Back

Sound travels faster in denser materials.

Front

Which factor does not affect the speed of sound?

Back

Distance does not affect the speed of sound.

Front

What type of instrument produces the highest pitch?

Back

The smallest instrument typically produces the highest pitch.