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Science · Practice game
Reaction Rush
A single-player chemistry game for grades 6–8. Race through the lab with atoms and molecules, states of matter, density calculations, chemical reactions, conservation of mass, and exothermic and endothermic reactions, then finish with a skills report for five middle school NGSS matter standards.
Grades 6–8Single player1 studentNo student loginsWorks offline
Try it free with your class: the demo runs right in your browser for 5 questions or 5 minutes, whichever comes first. No sign-up needed.
Or get every game, including all future games, with the All-Access Teacher License for $150.

What students practice
Atoms & molecules, states of matter, density, chemical reactions, conservation of mass, hot & cold reactions
Standards
NGSS: MS-PS1-1 · MS-PS1-4 · MS-PS1-2 · MS-PS1-5–6
More games for these standards and topics
How it works
- Open the game file in any web browser: Chromebooks, laptops or your smartboard. No accounts, no student logins and no internet needed once it's downloaded.
- Each student types their name and picks a level on the world map. Levels get harder after 3 right in a row and easier after a miss.
- Students play on their own device. Missed problems come back for a second chance, and when they finish, the skills report shows every skill as Mastered, Still learning, Needs help or Not reached, with a check code for the teacher.
- Each purchase includes the game file and a one-page Quick Start guide.





