Light Energy

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one medium to another, such as from air to water.

Front

What is light?

Back

Light is a form of energy that travels in waves and can be seen by the human eye.

Front

Which of the following is NOT a source of light? The sun, a light bulb, fire, or the moon?

Back

The moon is not a source of light; it reflects light from the sun.

Front

What is reflection?

Back

Reflection is when light bounces off a surface, like a mirror or water.

Front

What happens to light when it is refracted?

Back

Light bends when it is refracted.

Front

What is an example of refraction?

Back

A straw appearing broken in a glass of water is an example of refraction.

Front

What is the difference between reflection and refraction?

Back

Reflection is the bouncing of light off a surface, while refraction is the bending of light as it passes through different materials.

Front

What is a translucent object?

Back

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

Front

What is an example of reflection in nature?

Back

Seeing your image in a calm lake is an example of reflection.

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.