Unit 4-Week 18-The Science of Eyesight

What would be a good model for light entering the eye?

• Lighting a match

• Opening window curtains

• Looking in a mirror

• Turning on a flashlight

Tags

NGSS.MS-PS4-2

What type of radiation do humans use to see?

• Gamma

• Microwave

• Visible

• X-ray

How might future doctors cure color blindness?

• By transplanting donor photoreceptors

• By developing new eyeglasses

• By reattaching the optic nerve

• By replacing the cornea and lens

Tags

NGSS.HS-ETS1-3

Why did humans not know about X-rays before 1895?

• Humans cannot sense X-rays

• X-rays did not exist until 1895.

• People were mostly blind before 1895.

• Technology was too weak to use X-rays.

When light is emitted from a source (sun or lamp), it hits the wall. Some of the _____ are absorbed.

• light

• photons

• pupil

• retina

Tags

NGSS.MS-PS4-2

When light hits a red wall, what color will bounce off the wall?

• Blue

• Yellow

• Red

• Green

Tags

NGSS.MS-PS4-2

From a red wall, the red photons enter the eye through the _____ and hit the _____.

• iris, pupil

• iris, lens

• pupil, retina

• retina, pupil

Tags

NGSS.MS-LS1-8

Information is transferred to the brain through the optic nerve, where it is assembled into an image of a _____ wall.

• orange

• green

• blue

• red

Tags

NGSS.MS-LS1-8

Eyelids are _____ because some light and color can still be seen when looking at a light source.

• translucent

• transparent

• opaque

Tags

NGSS.MS-PS4-2