Human Eye	How does light work?	Light Sources	Lens and how they work	Light and Optics
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Final Question

Which part of the eye collects the object that you see?

Which part of the eye collects the object that you see?

Retina

What sends the messaget to the brain?

optic nerve

The liquid between the corina and the lens is called?

Aqueous Humor

What is the jelly substance between the lens and the optic nerve?

Vitrreous Humor

Near-sightedness can be corrected with a __________________.

Concave Lens

Name the four things that light can do?

straight line, bend, reflect and is a form of energy

What do concave lens do?

Diverge light

What do convex lens do?

Converge light

The proper term for an object that produces light is

Luminous

The material the reflects all the light that strikes it is

Opaque

What is a light source?

something that gives off light.

Something in nature that gives off light is called?

Natural light source

Something humans have made that gives off light is called?

Artificial light source

When we talk about transmission of light what does it mean?

Light that moves from one place to another place.

What is it called when light bends through a material such as glass?

Refraction

What is curved inward at the center?

Concave

What is curved outward at the centre?

Convex

LIght hits a surface and bouces back off the surface like a mirror is called?

Reflection

What is the angles called when light is reflected of a mirror?

angle of incidence and angle of reflection

Why does an apple appear red?

All the colours of the spectrum are absorbed and the red is reflected off

Nearsighted people have problems seeing ......

far away

The coloured part of the eye is called?

Iris

What does transluscent mean?

When an object can be partially seen through an object.

A firefly is what kind of light?

Natural light/Bioluminescent

If you bounce a ball off a wall the ball will bounce off ........

at the same angle

When light hits off rough surfaces, what happens to the light?

The light scatters.

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Go To The Final Question

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