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Classify reactants and products

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Classify reactants and products — free printable Middle School Science worksheet

Students in grades 6–8 classify reactants and products in chemical reactions, building the conceptual vocabulary needed to read and interpret chemical equations. Teachers can use this worksheet as a formative check after introducing the law of conservation of mass and the structure of chemical equations in Physical Science. It grounds abstract chemistry content in the concrete skill of sorting substances by their role in a reaction.

Learning objectives

  • Classify substances as reactants or products in a chemical equation
  • Explain the roles of reactants and products in a chemical reaction
  • Connect classification to the law of conservation of mass

How to use this worksheet

  1. Select “Sign in / Sign up to download”, then sign in with Google or email to get the PDF from KiwiBee Printables.
  2. Print at home or in class for Middle School; it's no-prep, with no extra materials needed.
  3. Use the included answer key to mark it in seconds.

Good for

ClassworkHomeworkWarm-upCentersSmall groups

Answer Key

Answer key for Classify reactants and products — free printable Science worksheet

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