Light Energy

Multiple Choice

Why does the shadow of the hands form a bird shape on the wall?

• Because light travels in a straight line

• Because the hands are positioned correctly

• Because the wall is white

• Because the light source is strong

Multiple Choice

Which of the following shows that light travels in a straight line?

Multiple Choice

When light strikes an object you can’t see through, it reflects some light and absorbs some light.

Reflected light bounces off the medium (object). When light is absorbed, the object takes in the light. White surfaces reflect more light than black surfaces. Shiny surfaces reflect more light than dull surfaces.

Which medium reflects the most light?

• a black sweater

• a shiny piece of metal

• a dark wood table

• a piece of cardboard

Multiple Choice

What makes it possible to see an object when looking through a periscope?

• It contains mirrors that reflect the object.

• It magnifies small objects so they can be seen.

• It absorbs the light rays passing through it.

• It separates the light into different colors.

Multiple Choice

Reflection or Refraction

• reflection

• refraction

Multiple Choice

True or False? The picture above is an example of Regular reflection

• True

• False

Multiple Choice

What is happening in this picture?

• Reflection

• Refraction

Multiple Choice

Which explains why the fork looks different under water?

• light can't pass through the glass
• the wavelength of light lengthens
• the amount of light increases when going through water
• light is refracted at an angle