Color Burst Foam Eruption Science Experiment
An engaging and colorful science experiment that combines baking soda and vinegar to create a mesmerizing foam eruption, perfect for a fun afternoon activity.
- Prep Time: 10 minutes
- Cook Time: 0 minutes
- Total Time: 10 minutes
- Yield: 1 tray of foam eruption
- Category: Science Experiment
- Method: Mixing and Observation
- Cuisine: Educational
- Diet: Non-Dietary
Ingredients
Scale
- 1 cup baking soda
- 2-3 tablespoons liquid dish soap
- Food coloring or liquid watercolors
- White vinegar
- Small cups or shot glass-sized wells
- A shallow tray or baking sheet
- A mixing bowl
- A sturdy spoon or spatula
- Optional: pipettes or droppers
- Optional: measuring spoons
- Optional: safety goggles and gloves
Instructions
- Place your tray and mixing bowl on a flat surface.
- Spoon 1 cup of baking soda into the bowl.
- Add 2 to 3 tablespoons of liquid soap to the baking soda.
- Stir slowly until the mixture becomes thick and slightly glossy.
- Add a small splash of water, one tablespoon at a time.
- Spread the paste into the tray in a low, even layer.
- In small cups, mix a few drops of food coloring with a little vinegar.
- Arrange the color cups around the tray for easy reach.
- With your spoon, make shallow wells in the paste.
- Pour the colored vinegar into a well slowly.
- Repeat with other colors, spacing the pours so each eruption has room.
- When the foam settles, you can gently press it with a spoon to explore texture.
Notes
This experiment may leave colors temporarily staining skin, but they wash off easily. Ensure supervision for younger children and use safety gear if desired.