SIGNS OF A CHEMICAL REACTION

REACTION LAB

Mix real lab chemicals and watch what happens. Golden rain, pink potions, elephant toothpaste, and burning metal. Use your tools to collect evidence and prove a new substance formed.

🎨 Color🫧 Gas🔥 Light👃 Odor🌡️ Temp🌨️ Precipitate

1. Your name (goes on your lab report)

2. Meet your lab partner

Dr. Pugrilla. Half pug, half gorilla, infinite aura. Holds a PhD in Making Stuff Fizz. Dr. Pugrilla will walk you through every station. Goggles on. Let's cook (science).

3. Choose a mode

DIRECTIONS

How to use Reaction Lab

🎯 Your goal: Mix chemicals and collect evidence that a new substance formed. Try to find all 6 signs of a chemical reaction: 🎨 color change, 🫧 gas, 🔥 light, 👃 odor, 🌡️ temperature change, and 🌨️ precipitate.

1
Get startedType your name and pick a mode. Lab Mode walks you through the worksheet step by step. Explore Mode lets you mix anything. Then tap START.
2
Follow the cardThe card in the top corner always tells you what to do next. Do what it says, then tap the green button to move on.
3
Add the dropsHold the 💧 button (or the glowing bottle) to squeeze drops into the test tube. Let go to stop. Watch the yellow labels that pop up to show what is happening!
4
Collect evidenceTap all 3 tools at the bottom: 🔍 Look closely, 🌡️ check the Temp, and 👃 Waft to smell safely.
5
Record the signsTap every sign of a reaction you saw, then tap Check. If you miss one, read the hint and try again.
6
Reactants → productsSee what you started with and what was made. Answer the question, then go to the next station.
7
Finish and turn inComplete Stations A–E and the ? Mystery Mix. Fill in your 📓 Notebook, then open your 📋 Report and take a screenshot.

💡 Tips: Tap ❓ anytime to see these directions again. Confused by an idea? Tap a Why? button or open 📖 Vocab. On a phone, use the tabs at the bottom of the screen. Tap – on the card to shrink it so you can see the lab.

👩‍🏫 For teachers

Lab Mode follows the classic "Chemical Reaction Indicators" worksheet: Stations A–E plus mixing Tube A★ into Tube C★ (about 30–40 minutes). Bonus Stations F–I and the ⚖️ Chemical or Physical? challenge are great for early finishers. Students turn in a screenshot of their Lab Report, which shows their name and the date. Progress saves in the browser on that device, so students on shared computers should finish in one sitting. Explore Mode works well as a free-discovery warm-up. Lesson plan, NGSS alignment, and discussion questions →