Understanding Light

What is light?

• A type of sound

• A form of energy

• A type of matter

• A type of heat

Which of the following is a source of natural light?

• Television

• Sun

• Lamp

• Flashlight

What do we call an object that lets light pass through it?

• Opaque

• Transparent

• Reflective

• Translucent

Which of the following is an example of a translucent object?

• Clear glass

• Cloudy glass

• Wood

• Metal

What happens when light hits a black surface?

• The light is reflected

• The light is absorbed

• The light is transmitted

• The light is scattered

What happens when light passes through a prism?

• It is absorbed

• It bends and splits into a rainbow of colors

• It reflects

• It speeds up

What is the term used to describe light bouncing off a surface?

• Reflection

• Refraction

• Absorption

• Transmission

Which of the following materials is most likely to be opaque?

• Clear plastic

• Glass

• Wood

• Water

What is the phenomenon called when light changes direction as it passes from one medium to another?

• Refraction

• Dispersion

• Reflection

• Diffraction

Which of the following is true about the reflection of light?

• Light always reflects in only one direction.

• The angle of reflection depends on the brightness of the light

• Light can be reflected by both smooth and rough surfaces, but the angle of reflection depends on the surface.

• Reflection of light only occurs with concave mirrors