Interactive, Lesson Plan


Pieces of candy will be used to represent atoms in chemical equations. Conservation of atoms in a chemical equation will be shown by having the same number and kinds of atoms on each side of the equation. One lab partner will use his/her candy to simulate the reactant side of the equation, and the other partner will simulate the product side.


  • Science > Chemistry
  • Science > General

Education Levels:

  • Grade 9
  • Grade 10
  • Grade 11
  • Grade 12


equations chemical equations atoms conservation of atoms



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Teacher Resources
Update Standards?

HS-PS1-7: Next Generation Science Standards

Use mathematical representations to support the claim that atoms, and therefore mass, are conserved during a chemical reaction.

SCI.9-10.7.C: Science

demonstrate that mass is conserved when substances undergo chemical change and that the number and kind of atoms are the same in the reactants and products;
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