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Chemical reaction worksheets

New substances, and how to spot them.

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How to make chemical reaction worksheets

  1. 1

    Choose which kinds of questions to include and how many of each.

  2. 2

    Tap “New worksheet” for a fresh mix of questions.

  3. 3

    Edit the title and choose A4 or US Letter.

  4. 4

    Download the PDF with its answer key and print it.

About these chemical reaction worksheets

A chemical reaction makes new substances, unlike a physical change such as melting. These worksheets cover reactants and products, signs of a reaction, burning, rusting, neutralisation, exothermic and endothermic reactions, and a sort of chemical and physical changes.

What the worksheet covers

The question bank for this topic has 12 key terms, 10 items to sort, 10 true-or-false statements, 8 multiple-choice questions, 8 fill-in-the-blank sentences and 4 short-answer questions. Each worksheet mixes a selection, so no two are the same.

  • Question types: match words to meanings, fill in the blanks, true or false, multiple choice, sort the words, short answers, word search.
  • Key words: chemical reaction, reactant, product, combustion, rusting, oxidation, neutralisation, exothermic, endothermic, physical change, precipitate, equation.
  • Best for: grades 3–8 (ages 8–14).

More worksheets

Find more topics in science worksheets. Every worksheet is made on your device, and nothing is uploaded.

Frequently asked questions

Is cooking an egg a chemical change?

Yes. Heat changes the proteins permanently, so you can’t uncook it.

Will every worksheet be the same?

No. Each tap of “New worksheet” picks a different mix of questions from the topic’s question bank, so you can give different versions to different students.

Can I print it in black and white?

Yes. The worksheet uses light tints that print clearly in grey, or pick the grey colour theme.

Can I choose the kinds of questions?

Yes. Switch each section on or off (matching, fill in the blanks, true or false, multiple choice and more) and choose how many questions go in each.

Is there an answer key?

Yes. Every worksheet ends with an answer key on its own page. Switch it off if you’re giving the sheet as a test.

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