7th Grade Unit #2 Assessment Interaction of light and matter

Front

What happens to light when it passes from air into water?

Back

Light changes speed because it moves slower through water than it does through air.

Front

What are materials that allow light to pass through easily called?

Back

Transparent.

Front

Which material absorbs the most light?

Back

Apple.

Front

What is an example of a translucent object?

Back

Ice cube.

Front

What is the term for light bouncing off an object's surface?

Back

Reflection.

Front

What is the term for light passing through an object?

Back

Transmission.

Front

What is the term for light being absorbed by a material?

Back

Absorption.

Front

What is the difference between transparent and translucent materials?

Back

Transparent materials allow all light to pass through, while translucent materials allow some light to pass through but scatter it.

Front

What is an example of a transparent object?

Back

Clear glass.

Front

What is an example of an opaque object?

Back

Wood.