Molecules & Compounds

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

To confine our attention to terrestrial matters would be to limit the human spirit.

Stephen Hawking

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 mileage may vary. .

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