Science Experiments
Kitchen Counter Volcano
Build a foaming red 'lava' eruption using baking soda and vinegar to observe an acid-base reaction.
20 min Ages 5–10 1–3 players Indoor
MeasuringObservationHypothesis testingCause and effect
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Learning benefits
- 💡 Introduces acid-base chemistry in a hands-on way.
- 💡 Practices measuring teaspoons and tablespoons.
- 💡 Models the scientific method: hypothesis → test → result.
Safety notes
- ⚠️ Wear goggles — vinegar foam can sting eyes.
- ⚠️ Do not seal the bottle. Pressure buildup is dangerous.
Cleanup
- 🧹 Rinse the bottle and tray in the sink with warm water.
- 🧹 Wipe the counter with a damp cloth — vinegar smell will fade in 10 minutes.