Mini Volcano Experiment 🌋 What you need: - Transparent PET bottle - Scissors - Water, oil - Watercolor, brush - Effervescent tablet Instructions: 1. Cut off the top part of the PET bottle. 2. Fill the bottom part with about a quarter of water and color it using paint and a brush. 3. Add double the amount of oil and wait until the two liquids separate. 4. Drop an effervescent tablet into the bottle. What will happen? 🧪 Bubbles will form in the water, rise to the oil layer, and then sink back do