Light Vocabulary

Front

What is a light source?

Back

A source of energy that can be seen by the eye.

Front

What happens to light when it passes through two transparent mediums?

Back

Light is refracted.

Tags

NGSS.MS-PS4-2

Front

What does it mean for an object to be opaque?

Back

An object that is not able to be seen through; no light can pass through.

Tags

NGSS.MS-PS4-2

Front

What is reflection in terms of light?

Back

Energy waves bouncing off of an object.

Tags

NGSS.MS-PS4-2

Front

What is refraction?

Back

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

Tags

NGSS.MS-PS4-2

Front

What is the difference between transparent, translucent, and opaque materials?

Back

Transparent materials allow light to pass through completely, translucent materials allow some light to pass through but not clearly, and opaque materials do not allow light to pass through.

Tags

NGSS.MS-PS4-2

Front

What is the speed of light in a vacuum?

Back

Approximately 299,792 kilometers per second (or about 186,282 miles per second).

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

Front

How does the angle of incidence relate to the angle of reflection?

Back

The angle of incidence is equal to the angle of reflection.

Tags

NGSS.MS-PS4-2

Front

What is the law of reflection?

Back

When light reflects off a surface, the angle of incidence equals the angle of reflection.

Tags

NGSS.MS-PS4-2

Front

What is a prism and how does it relate to light?

Back

A prism is a transparent optical element that refracts light, separating it into its constituent colors.

Tags

NGSS.MS-PS4-2