Soap-Foam Explosion Volcano Colorful Erupting Soap-Foam Volcano Experiment Ingredients: 1 clean plastic bottle or tall jar 1/2 cup warm water 3–4 tablespoons baking soda 1 tablespoon dish soap 1/2 cup vinegar Food coloring (red, orange, yellow, or rainbow for lava effect) Optional: glitter for sparkle Tray or plate to catch overflow Directions: Place the bottle or jar on a tray to contain the mess. Add warm water, baking soda, and dish soap into the jar. Stir well to combine. Mix in a few drops