Science November 20 (A day) November 21 (B day). In Interactive Notebooks…  In your Table of Contents, add a new entry: “Parts of the Eye : Notes” Number.

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Presentation transcript:

science November 20 (A day) November 21 (B day)

In Interactive Notebooks…  In your Table of Contents, add a new entry: “Parts of the Eye : Notes” Number the entry Go to this page inside your notebook and title the page “Parts of the Eye: Notes” and number the page

The Human Eye  Discovery Ed video “The Human Eye” (2:17 minutes)

The Human Eye: Parts (handout)  The Human Eye:  Cornea  Pupil  Lens  Retina  Optic Nerve  Brain

Your EYE!  If you reach up and feel around your eye, you’ll feel the bone of your skull.  There’s fat surrounding your eyeball to keep it from bumping up against the bone and getting bruised.  In the cow’s eye dissection, we cut away all the fat and muscle so that we can see the eyeball.

Visible parts of the human eye  Pupil- the dark center  Iris- the colored part (blue, green, brown, hazel)  Scalera- white part

Cow Eye Video Dissection  Humans = 6 muscles controlling our eyeball (can look in different directions without moving our heads)  Cows = 4 muscles controlling their eyeball (they can’t roll their eyes like you can)  So cows have to turn their heads to look around!

Cow Eye Dissection Video  If the video makes you uncomfortable, please simply put your head down on your desk.  While we are watching, please act as scientists.  This means, do not scream and shout, simply put your head down if something makes you uncomfortable. 

Parts of the Eye Activity  Glue this handout into your notebook  Circle the really important ones and number them  #1 Cornea  #2 Pupil & Iris  #3 Lens  #4 Retina  #5 Optic Nerve

Graphic Organizer (handout)  Follow along as we list the order in which light passes into your eye

Corne a Pupil- Iris Lens Retina Optical Nerve Brain Light

Before the dissection…  We will be reading a short article on the different parts of the eye so that when the video dissection is happening, you will be familiar with the parts of the eye.  The article is a class set….DO NOT WRITE OR MARK ON THESE COPIES!