Light Review

What does it mean to reflect?

• bounce off
• bend
• refract
• energy

Why do we see a GREEN leaf?

• because humans color it that color
• because it absorbs green and reflects all the other colors
• it absorbs every color except for green

What does transparent mean?

• some light is able to pass through
• no light is able to pass through
• all light is able to pass through

What does it mean to refract?

• bounce off
• to bend
• curve outward
• reflect

Why do we see objects as black?

• They absorb all the light
• They reflect all the light
• They absorb some light and reflect 

Which of these provides the best explanation for why the pencil appears broken?

• The pencil absorbs the light rays that hit it.

• Water reflects light rays away from the pencil.

• Light rays are bent by the water in the glass.

• The surface of the water reflects the light rays.

Why do we see objects as white?

• They absorb all light
• They reflect all light
• They absorb some light and reflect some light

Which travels faster?

• sound

• light

• water

What kind of lens can enable a nearsighted person to see more clearly?

• concave lens

• convex lens

• plane lens

What does the optic nerve do?

• transmit impulses from retina to brain

• helps the eye focus

• receives light and sends it to brain

• transmits light rays to retina