KS3 Light - The basics

What is the correct definition of the word 'Opaque'?

• An object that transmits light.

• An object that only reflects light.

• An object that absorbs and transmits light.

• An object that absorbs and reflects light.

What does transmit mean?

• Light goes through an object

• The energy in light is taken in

• The light wave bounces off the surface

• The light wave changes direction

What does reflect mean?

• Light waves go through the object

• Light waves are taken in by the object

• Light waves bounce off the surface of an object

• Light waves change direction in the object.

Which of the following is translucent?

• Skin

• Concrete

• Colourless glass

• Iron

Which of the following materials are opaque

• Skin

• Concrete

• Colourless glass

• Iron

Which of the following material is transparent?

• Skin

• Concrete

• Colourless glass

• Iron