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This site provides a quiz and information on atoms. Topics covered include: structure, orbitals, ions, electrons, isotopes, neutrons, bonding, compounds, compound names and advanced ideas.

Learning games, educational comics, reading activities, and more.

4th grade science

The site offers diagrams and details on how static electricity works plus experiments to see it in action.

A Periodic Table of Elements that includes information on history, sources,properties and uses of all the elements.