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Article
Khan Academy: Biology: Chemistry of Life: Matter, Elements, and Atoms Article
Khan Academy

Khan Academy: Biology: Chemistry of Life: Matter, Elements, and Atoms

For Students 9th - 10th
Did you know matter is made up of atoms? In this article learn about the smallest unit of matter called the atom.
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Unit Plan
Texas Gateway: Introducing the Atom Unit Plan
Texas Education Agency

Texas Gateway: Introducing the Atom

For Students 9th - 10th
Get an introduction to the atom in this tutorial.
Get Free Access See Review