This color in the visible part of the spectrum has the lowest energy. 

• Blue
• Green
• Red
• Violet

This color in the visible part of the spectrum has the highest energy.

• Blue
• Red
• Violet
• Yellow

The frequency  _________ as we move from infrared light to gamma rays. 

• decreases
• increases
• doesn't change

What are the three primary colors of light?

• Red, Green, Blue
• Green, Yellow, Blue
• Cyan, Magenta Yellow
• Cyan, Magenta, Black

What are the three secondary colors of light?

• Red, Green, Blue
• Green, Yellow, Blue
• Cyan, Magenta, Yellow
• Magenta, Yellow, Black

When the three primary colors mix they produce?

• Red, Green, Blue

• Black

• White

• Magenta, Yellow, Cyan

When do you use the RGB (red, green, blue) system?

• Printing
• Painting
• Cell Phone screens

A blue shirt looks blue because...

• it absorbs blue and reflects all the colors
• it reflects blue and absorbs all the other colors
• it absorbs cyan and reflects all the other colors
• it reflects cyan and absorbs all the other colors

What kind of light is sunlight?

• White Light
• Infrared Light
• Yellow Light
• Red Light

Difference between rods and cones. What is the first statement of the video clip?

• The retina is the inner layer contains three types of cells: rods, cones, and bipolar cells

• The rods are sensitive to intensity of light and cones sense colors.

• The highest concentration of cones is in the fovea centralis

• The nerve impulses are formed when light strikes the rods and cones

• The optic nerve connects to the brain