Light Review

What is brightness?

• the intensity of light
• tool used to separate light
• form of energy that is made of many colors
• light energy that can be seen by human eye

What is a prism?

• when light bounces back
• a tool used to separate light
• form of energy
• light seen by the human eye

What is reflection?

• When light bounces back
• When light bends
• When light is absorbed

When white light passes through a prism, _________________________.

• the white light will continue to travel in a straight line
• the white light reflects into several different colors
• the white light will be absorbed and disappear
• the white light will pass through the prism and separate into different colors

The closer a light source is, ________________.

• the brighter it appears
• the whiter it appears
• the less intense it appears
• the more colors you see

The colors of the rainbow are called the _______ ________.

• visible spectrum 
• visible rainbow
• primary colors

The ability to make things change is called _________.

• motion
• light
• energy
• heat

When light strikes a sunflower, what allows for us to see the bright yellow color of the petals?

• The flower chooses to be yellow and tells the other colors to go away.
• The flower absorbs the other colors of light and reflects yellow.  
• The flower absorbs the yellow and reflects all of the other colors.

The flower stems appear to be broken in a vase.  What is this an example of?

• reflection
• refraction
• absorption
• spectrum

What color absorbs all of the colors of the visible spectrum?

• white
• black
• blue
• red