The Eye as a Light Sensor

The pupil is a covered opening that lets light into your eye.

• True

• False

A giant squid's eyeball is as big as a human head.

• TRUE

• FALSE

Polar bears have a protective covering over their eyes that are like wearing sunglasses.

• FALSE

• TRUE

Polar bears only hunt at night when it's dark.

• FALSE

• TRUE

People do NOT have a retina in their eyes.

• TRUE

• FALSE

If NO light goes into the pupil, a person can still see an image.

• TRUE

• FALSE

Cats can see 6 times better than humans in places with low light.

• TRUE

• FALSE

Cats DO NOT have a layer behind the back of their eyes that reflects light to let them see better at night.

• TRUE

• FALSE

Giant sea squids are known to have the smallest eyes of any animal in the animal kingdom.

• TRUE

• FALSE

Eyes adjust to the amount of light entering them.

• FALSE

• TRUE