🧪 Reaction Lab
Mix, predict and watch chemistry happen in 3D. Bubbles, colors, glow and surprises, and the science that explains each one. Free for every grade.
🎬 Watch a reactionLive or in super slow motion, 12 real reactions.
1 · Pick your grade band
Your band sets the safety level for the try-at-home parts. Everything on screen is safe for every grade.
2 · Pick a lab
Free The whole Reaction Lab and the daily Lab Mystery are free. No account.
Reaction Theater12 real reactions, live or in slow motion. Pause, step and zoom in to the atoms.Predict, then watchGuess what happens, then see the molecules move in 3D.Molecule Builder 3DSnap atoms together. Build it, then take it apart.Periodic Table CityAll 118 elements as a 3D city. Tap a building.States of matterTurn up the heat. Watch particles melt and boil.Reaction types galleryBuild up, break down, swap, burn, and a lemon battery.Balance it!Tip the scale until both sides match. Goal: 100%.Lab Mystery of the DayA new mystery powder every day. Test it, then name it.Kitchen ChemistrySafe try-at-home experiments, by grade, with a grown-up.Teacher guideStandards, smart-board mode and class routines.
🛡️ Safety card for every experiment
- 🥽 Safety glasses or goggles on.
- 🧑🍳 A grown-up is with you the whole time.
- 🚫 Never taste or sniff an experiment.
- 🧴 Never mix cleaning products. Some make poison gas.
- 💥 Dangerous reactions are watch-only here. We show why they are dangerous, never how to make them.
- 🧼 Clean up and wash your hands when you finish.
Go deeper in a course
The pictures are simple models made for learning. Real atoms are far too small to see, and real shapes vary.