Materials 3 tablespoons baking soda 1/2 cup white vinegar Red food coloring (gel or liquid) Clear glass jar or cup Spoon Tray or plate (to catch overflow) Small cup (for mixing color) Instructions 1. Prepare the Baking Soda Base Add baking soda to the bottom of the jar. Tap gently so it spreads evenly. Add 3–5 drops of red food coloring. Mix lightly until the powder is evenly tinted. 2. Prepare the Red Vinegar Pour vinegar into a small cup. Add 2–3 drops of red food coloring. Stir gently until w