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Worksheet
Curated OER

What are Atoms?

For Students 9th - 12th
In this atom worksheet, high schoolers read about Dalton's contributions to the structure of the atom. They answer five questions about Dalton's ideas, the law of multiple proportions and the law of definite proportions.
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Worksheet
Curated OER

The "Laws" and Principles of Chemical Reactions

For Students 10th - 12th
In this chemical reaction principles worksheet, students read about definite proportions and the law of conservation of mass. Students read about how to balance a chemical equation. Then students complete 20 fill in the blank, 2 short...