Atomic Structure

from http://science-class.net/archive/science-class/Chemistry/atoms.htm

Sooner or later every one of us breathes an atom that has been breathed 

before by anyone you can think of who has lived before us-

Michelangelo or George Washington or Moses.

Jacob Bronowski

These resources are generally appropriate for grades 5 - 9. In some cases they have been classified by grade level. 

The groupings are general and somewhat arbitrary. As with anything in education; your milage may vary.

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