Sound Energy

Front

What is sound energy?

Back

Sound energy is the energy produced by vibrating objects that creates sound waves.

Front

Can sound waves travel through air?

Back

Yes, sound waves can travel through air.

Front

Can sound waves travel through solids?

Back

Yes, sound waves can travel through solids.

Front

What happens to sound waves when they bounce off a surface?

Back

They create an echo.

Front

What is an echo?

Back

An echo is the sound that you hear when sound waves bounce back to your ear.

Front

What do earplugs do?

Back

Earplugs block most of the sound waves from reaching your ears.

Front

What is a low-pitched sound?

Back

A low-pitched sound has a lower frequency and is often deeper in tone.

Front

What is a soft sound?

Back

A soft sound has less energy and travels slower than loud sounds.

Front

What is the difference between loud and soft sounds?

Back

Loud sounds have more energy and can be heard from farther away, while soft sounds have less energy.

Front

What is the speed of sound in air?

Back

Sound travels at about 343 meters per second in air.