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Sooz Williams - ©2005 What Is Symmetry? SSSSymmetry = Same IIIIf something has symmetry it is the SAME on both sides.

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Presentation on theme: "Sooz Williams - ©2005 What Is Symmetry? SSSSymmetry = Same IIIIf something has symmetry it is the SAME on both sides."— Presentation transcript:

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2 Sooz Williams - ©2005

3 What Is Symmetry? SSSSymmetry = Same IIIIf something has symmetry it is the SAME on both sides

4 For Example: A butterfly has symmetry. If you draw a line down the center of a butterfly, both sides are the same!

5 Some More Examples: Many kinds of food have symmetry! Many living things have symmetry! Even people have symmetry – most of the time!

6 Sometimes, even very complicated things have symmetry: Like this building! It is called Aston Hall

7 the same! The 2 sides are The 2 sides are symmetrical!

8 Sooz Williams - ©2005 When the line of symmetry goes up and down, It is called VERTICAL symmetry

9 VERTICAL up and down

10 Another kind of symmetry is HORIZONTAL symmetry Horizontal means across, or side to side

11 For Example: Many common objects have horizontal symmetry! This bow and arrow has horizontal symmetry.! This ladybug has horizontal symmetry

12 HORIZONTAL side to side

13 Sometimes, objects have both vertical and horizontal symmetry: verticalAND horizontal

14 Can you see the symmetry in this pattern? This object has two lines of symmetry

15 Which of these patterns is symmetrical? Nope!Nope!Yes! (one line of symmetry)

16 This pattern is not symmetrical! Which of these patterns is NOT symmetrical?

17 Sooz Williams - ©2005 Does this object have vertical symmetry or horizontal symmetry? Both! In fact, you could argue that this object has 4 lines of symmetry! (although not exactly)

18 Created by Sooz Williams - ©2005 Can you find symmetry in the world around you? ResourcesEnd Show

19 Sooz Williams - ©2005 References  Houghton, John and Rod Birch. "Aston Hall History." Aston History Homepage Apr  All other graphics courtesy of Microsoft Office Clip Art Online Microsoft Office Clip Art OnlineMicrosoft Office Clip Art Online End Show


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