Exploring Light and Color video flashcard

Front

What happens when green light shines on a yellow lemon?

Back

The lemon will appear black because it reflects no light.

Front

How do we see the color of a red shirt in daylight?

Back

Light travels from the sun to the shirt, reflects off the shirt, and then travels to our eyes.

Front

Why does light refract or bend when it passes through glass or water?

Back

Light travels slower through glass and water than it does through air.

Front

What are the primary colors of light?

Back

Red, Green, Blue.

Front

Why do black objects absorb more heat energy than white or colored objects?

Back

They absorb more of the light that strikes them.

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one medium to another.

Front

What is reflection?

Back

Reflection is when light bounces off a surface.

Front

What is the speed of light in a vacuum?

Back

Approximately 299,792 kilometers per second.

Front

What is the visible spectrum?

Back

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

Front

What is a prism?

Back

A prism is a transparent optical element that refracts light.