Lesson Check: Role of Animals' Eyes

Which structure is at the back of the human eye where light through the lens is focused?

• cornea

• pupil

• retina

• rod

Match the following:

• image

• a “picture” that light rays make by bouncing off objects

• refraction

• the bouncing of light waves off a surface

• opaque

• letting only some light pass through

• reflection

• the bending of light as it passes from one transparent material into another

• translucent

• completely blocking light from passing through

Tags

NGSS.MS-PS4-2

Why is Maria able to see more objects in a dark room when a light shines through a clear plastic bag than when a light shines through a brown paper bag?

• More light is reflected into Maria's eyes when it shines through the clear plastic bag.

• More light is scattered into Maria's eyes when it shines through the clear plastic bag.

• More light is refracted into Maria's eyes when it shines through the clear plastic bag.

• More light is transferred into Maria's eyes when it shines through the clear plastic bag.

Tags

NGSS.MS-PS4-2

Farrah injured one of her eyes while playing in a sand box. Since her injury, her vision is very blurry. Which statement possibly explains why the blurriness is occurring?

• Her eye is not focusing light properly.

• Her eye is absorbing too much light.

• Her eye is reflecting too much light.

• Her eye is blocking some light.

Nocturnal animals can see better at night because their __ is dilated and allows more light to reach the back of the eye.

• pupil

• retina

Which statement helps explain the position of eyes on predators?

• Forward-facing eyes allow predators to detect prey approaching from the sides.

• Sideways-facing eyes allow predators to have a wider field of view to locate prey.

• Sideways-facing eyes allow predators to see prey at night.

• Forward-facing eyes allow predators to judge the distance and depth of objects.

Light enters the eye through the (a)   .

The (a)   sends signals to the brain to be interpreted as images.

Tags

NGSS.MS-LS1-8

A brick wall would be:

• transparent

• translucent

• opaque

Tags

NGSS.MS-PS4-2