Molecules and Compounds Lesson: Reading Chemical Formulas, Grades 6-8

Is water an element? Students vote, then learn that water is a compound: hydrogen and oxygen joined in a fixed ratio. The lesson builds from atoms joining into molecules (a molecule is two or more atoms joined so strongly that they act as one particle) to telling an element from a compound by its formula.

What's inside

• 17 slides, with speaker notes on all 17
• Lesson plan, 2 pages
• Student worksheet, 2 pages
• Answer key, 1 page

Answer key included

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