Sound and Light Waves

Front

What is an opaque object?

Back

An opaque object is one that does not allow light to pass through it.

Front

What does volume measure in sound?

Back

Volume measures the loudness or softness of a sound.

Front

What is a transparent object?

Back

A transparent object is one that allows light to pass through easily.

Front

What is the relationship between frequency and pitch in sound?

Back

Higher frequency corresponds to higher pitch, while lower frequency corresponds to lower pitch.

Front

Do sound waves need a medium to travel through?

Back

Yes, sound waves need a medium (like air, water, or solids) to travel through.

Front

Do light waves need a medium to travel through?

Back

No, light waves do not need a medium and can travel through a vacuum.

Front

What is a translucent object?

Back

A translucent object allows some light to pass through but not enough to see through clearly.

Front

What is the speed of light in a vacuum?

Back

The speed of light in a vacuum is approximately 299,792 kilometers per second.

Front

What is an echo?

Back

An echo is a reflection of sound that arrives at the listener after a delay.

Front

What is the difference between sound waves and light waves?

Back

Sound waves are mechanical and require a medium to travel, while light waves are electromagnetic and can travel through a vacuum.