BY: Leslie Hall
"Whether they use two eyes or dozens, people and animals turn light into sight."

Make the following comments on the article: Respond to others also

Your ID
Key Ideas: What would you tell others about this article
blue 332
this artical tells you about eyes, and how they work. Also different types of eyes like eye lids that have holes in them so the animal can look out even when its sleeping.
external image 8624.jpghttp://www.nlm.nih.gov/medlineplus/ency/images/ency/fullsize/8624.jpg





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I learned
I have this question?
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blue 332
I learned that your eyes catch the light so u can see.
In your eyes what does the optic nerve do?
The optic nerve is like the cable that connects
the eye to the brain and the picture goes through it
to the brain then you see the object.-orange326
http://en.wikipedke ia.org/wiki/Optic_nerve
Orange326
I learned that the eye receives the picture upside down and
the brain flips the image over.
Why do our eyes see upside down ?
your eyes see things upside down because, your eye reflects like a mirror, and mirrors reflect backwards.
yellow395
I learned that even though bugs have big eyes, there vision isn't that good.There eyes sense movement so they can see and hear whats coming.
How can a pupil dialate??
blue 332 the muscles in your eyes strech which makes your pupils dialate.
green15103
i learned that having bigger eyes help you see better in the dark because they let more light in.
Why is the image that appears on your optic nerve appear upside down ??





Respond to my question below:
Your Id
How would your life be different if you did not have your eyes?
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blue 332
It would be a lot different because we wouldn't be able to see and everything else would be a lot harder.
It would be very diffacult.
yellow395
It would be very hard because, we wouldn't be able to do daily activites like walking and writing and running.
blue 332 that would be impossible with out a seeing eye dog.
green15103
it would be difficult cause you couldnt see anything.




Vocabulary Builder: Choose a vocabulary word you learned from your reading. There must be no duplicate words
Your Id
Vocabulary Word
Definition
blue 332

Orange326
focus

Visible
to make a clear image in the eye; to put thought or effert into something.

Something being able to be seen.
yellow395
nocturnal
active at night
green15103
Vision
Sense of light, or seeing.

Your ID
Picture Extra Credit
yellow395
external image eye.jpg