Role of Animal Eyes

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

• cornea

• pupil

• retina

• rod

the bouncing of light

waves off a surface

• image

• translucent

• refraction

• reflection

Tags

NGSS.MS-PS4-2

completely blocking light from passing through

• image

• translucent

• opaque

• reflection

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

• image

• translucent

• opaque

• refraction

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letting only some light pass through

• image

• translucent

• opaque

• refraction

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

• image

• translucent

• opaque

• refraction

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A (a)   lens is thinner in the middle and always makes objects look smaller.

concave or convex?

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.

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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.

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NGSS.MS-PS4-2

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