IQWST Lesson 9

Which colors of light do you need to make white light? Check all that apply.

• green

• blue

• purple

• yellow

• red

How do we create black light?

• By mixing all colors of light.

• By mixing red and green light.

• By mixing blue and red light.

• By mixing no colors of light.

What are the types of cells that are found in the retina? Check all that apply.

• Pupil

• Iris

• Cones

• Rods

What part of the eye has the special cells that help you see different colors?

• Cornea

• Retina

• Pupil

• Optic nerve

How do we create yellow light?

• Combine red and green light.

• Combine blue and green light.

• Combine blue and red light.

• Combine blue, green, and red light.

How is creating black light like creating a shadow?

• They are both combinations of all the colors of light.

• They are a combination of blue light with green light.

• They are both the absence of any light.

• They are both a combination of green and red light.

How is your pupil like the shutter on a camera?

• They both let in light.

• They both detect colors.

• They both have rods and cones.

• They both detect shades of gray.

In your retina, the ___________ allow you to see light and dark.

• cones

• pupil

• cornea

• rods

In the retina, ___________ allow you to see different colors.

• cones

• pupil

• cornea

• rods

How is your eye like a camera? Check all that apply.

• They both have special sensors that detect red, blue, and green light.

• They both need film to work.

• They both have sensors to see in dim lighting.

• They both have openings that allow light in.