Students investigate how atoms in reactants rearrange to form products containing the same atoms. Students observe several chemical reactions, including the reaction between vinegar and baking soda, and the burning of sugar. They also explore what causes and prevents rusting, and how one metal can plate onto another metal.

Student Resources

• 3.1 Vocabulary
• 3.2 Evidence of a Chemical Reaction
• 3.3 Copper Plating
• 3.4 Section 3 Assessment

Learn by Reading

For additional content-area reading, check out the Houghton Mifflin Science eBook: Grade 5, Unit E, pages 28–29.