Vocabulary and Practice

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Vocabulary and Practice

• By Frank Ashford

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Two Words for Our Lesson

• Optical, and Illusion.

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Optical
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Which One Is Optical?
A
B
C
D
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Optical About Sight

• Eyeglasses
• Camera
• Telescope
• Microscope
• Illusion

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Illusion?
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Which Is an Illusion?
A
B
C
D
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They Are All Illusions!
In a way
Nature
Fractal
A
B
Space
Man-made
C
D
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Illusion a False Picture

• Nature
• Man made
• Fractal
• Space
• Optical illusion

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Optical Illusions!
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Here Is the Crazy Fork
Lets draw one ourselves!
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Get Out Some Paper
2) Draw ovals connecting every other pair.
1) Draw six parallel lines.
3) Draw these little lines to make the ends
into tubes.
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Keep going
5) Draw a line from the bottom of the
middle tube to the bottom of of the top
tube.
4) Draw the back.
6) Draw a line from the top of the bottom
tube to the back of the fork.
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You Have the Crazy Fork
Give yourself a hand!
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Vocabulary and Practice By Frank Ashford

• Kitaoka, A (2002). Akiyoshi's Illusion Pages.
• November 13, 2007, from Akiyoshi's Illusion
  Pages Web site
• http//www.ritsumei.ac.jp/akitaoka/index-e.html
• The Official M.C.Escher Website. Retrieved
  November 13, 2007,
• from The Official M.C.Escher Website Web site
• http//www.mcescher.com/Gallery/gallery.htm
• Tech4Learning, (2007). Pics4Learning. Retrieved
  November 13, 2007,
• from Pics4Learning - Tech4Learning Web site
• http//pics.tech4learning.com/
• Bach, M (1997, April 13). Optical Illusions and
  Visual Phenomena.
• Retrieved November 13, 2007, from
• 75 Optical Illusions Visual Phenomena Web
  site
• http//www.michaelbach.de/ot/index.html
• Wikipedia, (2007, November 13).