Movement of Light

A student placed a pencil in a cup of water.  The pencil appears broken because light-

• always travels in a straight line
• bends when it passes through water
• makes the water in the glass evaporate
• reflects the pencil on the water's surface

The bouncing of light off an object

• basketball

• refraction

• reflection

• echo

The illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-

• absorbed
• stopped
• reflected
• refracted

The arrows in the diagrams below represent light. Which diagram best shows how a

glass mirror would reflect light?

• 
• 
• 
• 

Materials that do not allow light to pass through?

• clear

• opaque

• transparent

• translucent

• Reflection
• Refraction

Which window is opaque?

• Window 1
• Window 2
• Window 3
• None

What do we call a material that light can travel through?

• air

• water

• medium

• pathway

Why does the lower part of the child appear so much different in size from the upper part?

• The light rays that travel through water and then into air are refracted.
• The light rays that travel through water and then into air are enlarged.
• The light rays that travel through air and then into water are reflected.
• The light rays that travel through air and then into water are reduced.

Reflection is when light...

• Bends

• Bounces

• Absorbs

• transmits