Sound Energy CBES 4Th Grade

Front

What is sound energy?

Back

Sound energy is a form of energy that is produced when an object vibrates, creating sound waves that travel through the air.

Front

How does the length of a rubber band affect its pitch?

Back

The pitch of a rubber band is higher when it is shorter and lower when it is longer.

Front

What happens to the pitch of a sound when the tension of a vibrating string increases?

Back

The pitch becomes higher.

Front

What is the relationship between the thickness of a rubber band and its pitch?

Back

Thicker rubber bands produce lower pitches, while thinner rubber bands produce higher pitches.

Front

What causes sound to travel through the air?

Back

Sound travels through the air as vibrations that create sound waves.

Front

What is the effect of moving pegs closer together on the pitch of a rubber band?

Back

Moving the pegs closer together increases the tension, resulting in a higher pitch.

Front

What is the role of vocal cords in producing sound?

Back

Vocal cords vibrate to produce sound; the speed of their vibration determines the pitch.

Front

What type of energy is produced when an object vibrates?

Back

Sound energy is produced when an object vibrates.

Front

How does the speed of vibration relate to pitch?

Back

Faster vibrations produce higher pitches, while slower vibrations produce lower pitches.

Front

What is an example of a high-pitched sound?

Back

A whistle or a bird chirping is an example of a high-pitched sound.