Classify reactants and products
Free printable Grade 7 science worksheet for "Classify reactants and products" — practice chemical reactions. No-prep, print or assign online.
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
Answer Key
How to use this worksheet
- Click “Download Worksheet” and sign in with Google or email to get the PDF instantly.
- Print at home or in class for Middle School; it's no-prep, with no extra materials needed.
- Use the included answer key to mark it in seconds.
Frequently asked questions
Is the “Classify reactants and products” worksheet free?
Yes. “Classify reactants and products” is a free printable Science worksheet. Sign in with Google or email to download the PDF instantly.
What grade or age is this Science worksheet for?
It's designed for Middle School (ages 11–14), covering Chemical reactions.
Does it come with an answer key?
Yes — a matching answer key is included so you can grade it in seconds.
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