Science Worksheet · Grades 6–9
Chemical Reactions Worksheet
A printable science worksheet for grades 6-9 on chemical reactions. Students learn about reactants, products, conservation of mass, and exothermic and endothermic reactions, match eight clues, then answer four questions. A complete answer key is included.
Subject
Science
Grades
Grades 6–9
Skill Focus
Chemical Reactions, physical science
Lesson Length
30 minutes
Lesson Overview
About this worksheet
A chemical reaction changes substances into new substances. This worksheet teaches the vocabulary of reactions – reactants, products, chemical change, conservation of mass, exothermic, and endothermic – and the signs that a reaction has happened.
The reference box and Section A are on page 1. The reference box defines the key terms. Section A has eight clues to match to the correct term. Section B on page 2 has four short-response questions.
Page 3 is a complete answer key with answers for every item. The worksheet pairs well with the Physical and Chemical Changes and Mixtures and Solutions worksheets.
How to Use This Lesson
Read the reference box and review the reaction terms.
Match each clue to its term in Section A on page 1.
Answer the four short-response questions in Section B on page 2.
Use the answer key on page 3 for self-check.
Pair with the Physical and Chemical Changes Worksheet for more practice.
Printable Resource
A classroom-ready PDF with everything in one printable resource.
Full Member Resource · Printable PDF · 3 pages · Answer Key
Chemical Reactions Worksheet
A printable science worksheet for grades 6-9 on chemical reactions. Students learn about reactants, products, conservation of mass, and exothermic and endothermic reactions, match eight clues, then answer four questions. A complete answer key is included.
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