Light and Sound

Front

We see a blue shirt because...

Back

Blue light is reflected and all the other colors are absorbed.

Front

What is light?

Back

A form of energy.

Front

Which material below is opaque?

Back

Desk.

Front

Materials that let all light pass through are called...

Back

Transparent.

Front

When light slows down as it passes through water and causes it to change direction, this is called...

Back

Refraction.

Front

What do we call materials that allow some light to pass through but not all?

Back

Translucent.

Front

What is the term for the bouncing back of light when it hits a surface?

Back

Reflection.

Front

What is the speed of light in a vacuum?

Back

Approximately 299,792 kilometers per second.

Front

What is sound?

Back

A form of energy that travels in waves.

Front

What do we call the distance between two consecutive peaks of a wave?

Back

Wavelength.