A free tic tac toe on 🧪 Science for Games, 11th Grade. Print it as a worksheet or play it online — no student sign-up needed.
Activity type: Tic Tac Toe. Topic: 🧪 Science. Subject: Games. Grade level: 11th Grade. Language: English. Free to print and free to play online, with no student sign-up required.
Player 1 · Player 2 · Which is larger: A. Na or B. Cl? · Which has the larger atomic radius: A. Li or B. K? · Across a period, atomic radius: A. Increases or B. Decreases? · Which is larger: A. Na or B. Na⁺? · Which is larger: A. Cl or B. Cl⁻? · Down a group, atomic radius: A. Increases or B. Decreases? · Which is larger: A. Mg²⁺ or B. Mg? · Which is larger: A. O²⁻ or B. F⁻? · Which is larger: A. K⁺ or B. Cl⁻?
This tic tac toe prints as a clean worksheet with an answer key, and also runs in any browser so students can play on a laptop, tablet, or Chromebook. It is free to use and free to copy for your own class.
Use the generator to build the same activity with your own word list, then save it to your library to reuse next year. No paid plan, no activity limit, and students never need an account.
tic tac toe · play online · interactive game · online game · 🧪 Science · Games · 11th Grade · medium · Player 1 · Player 2
Yes. Tic-Tac-Toe Challenge is completely free — there is no paid plan, no activity limit, and students never need an account to use it.
Yes. It runs in any browser, so students can play on a laptop, tablet, Chromebook, or a classroom projector — no install and no sign-up.
It covers Player 1, Player 2, Which is larger: A. Na or B. Cl?, Which has the larger atomic radius: A. Li or B. K?, Across a period, atomic radius: A. Increases or B. Decreases?, Which is larger: A. Na or B. Na⁺?, Which is larger: A. Cl or B. Cl⁻?, Down a group, atomic radius: A. Increases or B. Decreases?, Which is larger: A. Mg²⁺ or B. Mg?, Which is larger: A. O²⁻ or B. F⁻?, Which is larger: A. K⁺ or B. Cl⁻?.