Lava Lamp Science Experiment 🌋 ages 3+ 🌋 One of my most asked questions is if there is a way to do the lava lamp experiment without Alka-Seltzer or effervescent tablets and the answer is YES!! You can use baking soda and vinegar and it works just as well! Here’s how to do it: 👉 MATERIALS NEEDED: • * glass • * Baking soda • * Vegetable oil • * Small cups • * White vinegar • * Food coloring • * Dropper 👉 WHAT TO DO: • 1. Start by adding 1 tbsp of baking soda to the glass. • 2. Then fill the glass about 1/2 full with vegetable oil. • 3. Next pour some vinegar into small cups and add food coloring to dye the vinegar your favorite color. • 4. Finally, use a dropper to add the colored vinegar to the oil. Add several droppers full of vinegar. • 5. Watch the colorful bubbles