Transcript Line Symmetry

Symmetry
A PowerPoint Presentation created by Ms.
Rollins using the collection of web pages
created by the Adrian Bruce and his students
http://www.adrianbruce.com/Symmetry/index.
html
Bilateral Symmetry

Shape has bilateral symmetry (line
symmetry) when one half of it is the
mirror image of the other half.

Symmetry exists all around us and many
see it as being a thing of beauty.
Human Symmetry
The 'Proportions of
Man' is a famous
work of art by
Leonardo da Vinci
that shows the
symmetry of the
human form.
Is a butterfly symmetrical?
Animals that have Bilateral
Symmetry
Use pictures that you take or that are
public domain to avoid copyright issues
At the beach … there are
a variety of shells with
Bilateral Symmetry.
Which of the following has
Rotational Symmetry?
Under the sea … there are
also many symmetrical objects
such as these crabs
and this starfish.
Oysters have what type of
Symmetry?
Evaluate what type of
symmetry this rare crab has
based on your working
definitions of reflectional,
rotational and asymmetrical
symmetry.