Light Energy

Front

What type of material lets NO light pass through?

Back

Opaque materials do not allow any light to pass through them.

Front

What type of material lets ALL the light pass through?

Back

Transparent materials allow all light to pass through, making objects behind them clearly visible.

Front

What type of material allows some light to pass through but not all?

Back

Translucent materials allow some light to pass through, but objects behind them are not clearly visible.

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one medium to another, changing its speed.

Front

Why do prescription lenses help people see better?

Back

Prescription lenses help people see better by bending light rays through refraction to focus images correctly on the retina.

Front

What happens to light waves when they pass from air into water?

Back

Light waves refract, or bend, as they change speed when they pass from air into water.

Front

What is an example of a transparent material?

Back

A glass window is an example of a transparent material.

Front

What is an example of an opaque material?

Back

A brick wall is an example of an opaque material.

Front

What is an example of a translucent material?

Back

Frosted glass is an example of a translucent material.

Front

What is absorption in terms of light?

Back

Absorption is when light is taken in by a material and does not pass through or reflect.