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Chemistry Vocabulary Quiz

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Test your knowledge of chemistry terms, from elements and reactions to laboratory equipment and chemical processes.

15 quick questionsNo sign-upFree to playTap an answer below to begin ↓

What is a 'catalyst' in chemistry?

About Chemistry Vocabulary Quiz

Test your knowledge of chemistry terms, from elements and reactions to laboratory equipment and chemical processes. Chemistry Vocabulary Quiz packs 15 multiple-choice questions aimed at mixed difficulty into a relaxed session of roughly 7 minutes — no sign-up, no timer pressure. An explanation appears after every answer, and finishing once a day keeps your streak alive.

A few sample questions

  1. 1. What is a 'catalyst' in chemistry?

    Answer: A substance that speeds up a reaction without being consumed

  2. 2. What does 'exothermic' mean when describing a chemical reaction?

    Answer: It releases heat

  3. 3. What is an 'isotope'?

    Answer: An atom with a different number of neutrons than usual

  4. 4. In chemistry, what is a 'solution'?

    Answer: A homogeneous mixture of two or more substances

  5. 5. What does 'pH' measure?

    Answer: The acidity or alkalinity of a solution

Frequently asked questions

Is Chemistry Vocabulary Quiz free to play?

Yes. The entire SeniorBrainGames catalog — including Chemistry Vocabulary Quiz — is free, with no sign-up required, no time limits, and no ads on top of the game. It also works offline once the page has loaded once.

How long does Chemistry Vocabulary Quiz take?

Most players finish Chemistry Vocabulary Quiz in about 7 minutes. You can pause between questions, replay it as often as you like, and there is no penalty for taking your time — answers are explained after you submit them.

What's a good follow-up after Chemistry Vocabulary Quiz?

If you enjoyed this word games quiz, try the Daily Challenge — five rotating questions, refreshed every 24 hours, that count toward your streak. You can also use the Surprise Me button on the homepage to land on a different game type for variety.

Can I print Chemistry Vocabulary Quiz?

Yes — use the Print button at the top of the page for a clean question sheet, or "Print with Answers" to make an answer key. Printed sheets work well for group play at home, in a classroom, or at a senior center.

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