Reflection & Refraction

Front

What is reflection?

Back

Reflection is the bouncing back of light when it hits a surface.

Tags

NGSS.MS-PS4-2

Front

What is refraction?

Back

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

Tags

NGSS.MS-PS4-2

Front

What do we call a material that light cannot pass through?

Back

Opaque.

Tags

NGSS.MS-PS4-2

Front

What is a transparent material?

Back

A transparent material allows most of the light to pass through.

Tags

NGSS.MS-PS4-2

Front

What happens to light when it hits a mirror?

Back

It reflects.

Tags

NGSS.MS-PS4-2

Front

What is the angle of incidence?

Back

The angle between the incoming light ray and the normal line at the surface.

Tags

NGSS.MS-PS4-2

Front

What is the angle of reflection?

Back

The angle between the reflected light ray and the normal line at the surface.

Tags

NGSS.MS-PS4-2

Front

What is a medium in terms of light?

Back

A medium is any substance through which light can travel.

Tags

NGSS.MS-PS4-2

Front

What is the normal line in reflection and refraction?

Back

The normal line is an imaginary line perpendicular to the surface at the point of incidence.

Tags

NGSS.MS-PS4-2

Front

Why does a straw look bent in a glass of water?

Back

Because light is refracted at an angle when it passes from air to water.

Tags

NGSS.MS-PS4-2