Question

hy do sound engineers use spongy materials on walls?(1 point)
Responses

to absorb sound waves
to absorb sound waves

to transmit sound waves more clearly
to transmit sound waves more clearly

to reflect sound waves better
to reflect sound waves better

to increase the frequency of sound waves
to increase the frequency of sound waves

Answer 1

What happens when a wave is absorbed by a material?(1 point)
Responses

The wave supports the formation of an echo.
The wave supports the formation of an echo.

The wave transfers its energy to the material.
The wave transfers its energy to the material.

The wave passes through the material.
The wave passes through the material.

The wave bounces off the surface of the material.

Answer 2

Sound engineers use spongy materials on walls **to absorb sound waves**.