Vision and Light

We can only see objects because...

• A light source illuminates the object

• Our eyes illuminates the objects

• The objects illuminate themselves

Tags

NGSS.4-PS4-2

We can see things around us because of light reflecting off the object and into our eyes?

• True

• False

Tags

NGSS.MS-PS4-2

Putting a pencil in water and observing how it looks broken demonstrates the bending of light. The light traveling through the water is slowed down causing the pencil to look disconnected

• reflection

• refraction

• transparent

• opaque

Tags

NGSS.MS-PS4-2

Which type of surface reflects light MOST clearly?

• angled and dark

• shiny and smooth

• dark and grooved

• curved and clear

Tags

NGSS.MS-PS4-2

The amount of light entering the eye is controlled by:

• eye lens

• cornea

• iris

• ciliary muscle

_________________ in the eye respond to light and send information to the brain. The brain processes this information to form an image.

• The pupil

• The brain

• Light receptors

• The optic nerve

Tags

NGSS.MS-LS1-8

The structure that connects the light receptors to the brain is called the___________.

• brain

• light receptors

• pupil

• optic nerve

Tags

NGSS.MS-LS1-8

Following controls and regulates the amount of light entering the eye

• Iris

• Pupil

• Retina

• Corena

How does light travel?

• fast and straight

• slow and smooth

• fast and crooked

• zig zag and high

What part of your eye sends the messages to and from your brain?

• retina

• optic nerve

• iris

• vitreous humor