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See also:

• Kids and Teens: School Time: Science: Chemistry: Periodic Tables  (18)
• Kids and Teens: School Time: Science: Physics: Atoms, Nuclei and Particles  (15)

• ABC's of Nuclear Science [ Mature Teens ] - Read about the basic structure of atoms, as well as the causes of radioactivity, nucleus decay, half-life of an isotope, reactions, fusion, and cosmic rays. Page includes glossary of terms, formulas and diagrams.
• All About Atoms - What Are Atoms? [ Kids ] - Answers the question "what are atoms?" by providing a basic overview of atomic structure. Also, find out if atoms are the smallest in the universe.
• The Atom [ Kids/Teens ] - Provides a description of the atom's structure and properties. Explore more information about this fundamental building block of all matter.
• Atom Builder [ Teens/Mature Teens ] - A shockwave application that allows the user to add up and down quarks to a hydrogen nucleus to create a carbon nucleus.
• Atomic Alchemy: Nuclear Processes [ Teens/Mature Teens ] - An overview of nuclear chemistry, with interactive tests, forums, and surveys.
• Atomic Magic [ Teens ] - Atomic images and basics about chemical bonding.
• Atomic Structure and Subatomic Particles [ Teens ] - Basics about atoms, including structure and behavior.
• Atomic Structure Timeline [ Teens/Mature Teens ] - Timeline that contains short details of the year a specific scientist made a discover, and then gives a link to explain in detail who each scientist was and what they contributed to the scientific world of atoms and atomic structure.
• Atoms in a Crystal [ Teens ] - An image of silicon atoms arranged on a face of a crystal.
• The Bohr Model [ Teens/Mature Teens ] - Includes a description of atomic theory, shockwave animations, and diagrams.
• Chemical Elements Quiz [ Teens/Mature Teens ] - Quiz on the symbols of naturally-occurring elements.
• Elements and Atoms [ Teens/Mature Teens ] - Includes a description and tables. Also covers isotopes.
• Elementymology and Elements Multidictionary [ Teens/Mature Teens ] - Explains the origins of the names of the chemical elements and lists element names in many languages.
• Free Online Chemistry Games [ Teens/Mature Teens ] - Several online games to learn about chemical elements and the periodic table.
• How Atoms Work [ Teens ] - From How Stuff Works. A complete tutorial on atoms, including what they are, current issues, and activities.
• IGNS: Using the Atom [ Teens ] - Site focuses on the role that atoms play in life, along with how they are used as isotopes in the environment.
• Iron [ Teens/Mature Teens ] - Includes facts about the history, uses, and properties of this element.
• The Skinny on Peering at Atoms [ Kids/Teens ] - From Discovery online, a short description of atoms.
• Spectral Lines [ Teens ] - Overview of spectroscopy and Java applets that show spectral lines for different elements.
• The Study of the Atom [ Teens ] - History, pictures, technical information, definitions, theories, and models are included.
• Thinkquest: Five Fantastic Elements [ Teens/Mature Teens ] - Provides information about uranium, silicon, hydrogen, oxygen, and nitrogen. Includes a list of experiments and a quiz.
• Titanium [ Teens/Mature Teens ] - Provides information about the history, sources, isotopes, and uses of this hard metal.

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