Gr.8 Science
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Cornea | The surface of our eyes. Colourless/Transparent | Helps focus light on the retina.
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| Pupil | The black spot, hole, in the middle of our eyes. | Makes the pupil large in dim light, and small when light is bright.
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| Iris | The colour in our eyes.(e.g. Brown, Blue, Green, Grey) | Light passes through the hole of an Iris to reach the retina.
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| Sclera | The white of our eyes. | The tough cover of the eyeball which forms the white of the eye.
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| Lens | Are like manmade lens.Behind the Iris. | Also helps focus light on the retina, like the cornea.
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| Ciliary Muscles | Muscles that connect to our lens. | Helps control the thickness of the lens to adjust for near and far objects.
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| Retina | Near the back of the eye. | The area where an image is produced and reverted in to nerve signals.
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| Optic Nerve | The nerve that connects to the brain. | Carries nerve signals to the brain.
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| Aqueous Body | Water like substance. Fluid. | Fluid in the front part of the eye/ also like cornea.
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| Vitreous Body | The heart of the eye | Maintains the shape of the eye Gelatinous matter.
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| Chronoid | Blood vessel-like. | Supplies the retina with Blood.
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| Blind Spot/ Optic Disc Area | The back of your eye | Where the optic nerve leaves the eye.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
BOB77
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