Molecule worksheets
Atoms joined together, and chemical formulas.
Questions
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Same code, same questions.
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How to make molecule worksheets
- 1
Choose which kinds of questions to include and how many of each.
- 2
Tap “New worksheet” for a fresh mix of questions.
- 3
Edit the title and choose A4 or US Letter.
- 4
Download the PDF with its answer key and print it.
About these molecule worksheets
A molecule is two or more atoms joined by chemical bonds. These worksheets teach students to read chemical formulas (H₂O, CO₂, O₂, NaCl), understand what subscripts mean, and tell covalent from ionic bonds.
What the worksheet covers
The question bank for this topic has 12 key terms, 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, short answers, word search.
- Key words: molecule, chemical bond, chemical formula, H₂O, CO₂, O₂, NaCl, C₆H₁₂O₆, covalent bond, ionic bond, diatomic, subscript.
- Best for: grades 6–10 (ages 11–16).
More worksheets
Find more topics in science worksheets. Every worksheet is made on your device, and nothing is uploaded.
Frequently asked questions
What does the 2 in H₂O mean?
There are two hydrogen atoms for every one oxygen atom in a water molecule.
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 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.
What age is this worksheet for?
Grades 6–10 (ages 11–16). The questions use plain language and avoid trick wording.
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.