Light Waves and Colors

Front

What type of light wave can cause sunburn?

Back

Ultraviolet (UV) light.

Front

What can travel through matter (gas, liquid, solid) and empty space?

Back

Light.

Front

What can travel through matter (gas, liquid, solid) but not through empty space?

Back

Sound.

Front

Do electromagnetic waves require a medium to travel?

Back

False.

Front

Why is the sky blue?

Back

Because blue is the color most scattered or reflected by our atmosphere.

Front

What is the visible spectrum?

Back

The range of light wavelengths that can be seen by the human eye.

Front

What is refraction?

Back

The bending of light as it passes from one medium to another.

Front

What is reflection?

Back

The bouncing back of light when it hits a surface.

Front

What is the speed of light in a vacuum?

Back

Approximately 299,792 kilometers per second (km/s).

Front

What are primary colors of light?

Back

Red, green, and blue.