Lava lamps hold a special place in pop culture history, but there is a lot of science that we can learn from them, too. With the Bubbling Lava Lamp, you'll learn how to make a homemade, kid-safe lava lamp using materials right in your home. With a soda bottle, oil and water, and a secret ingredient that makes the whole thing fizz, bubble, and erupt, you'll have a colorful concoction you will love.
- Clean, plastic soda bottle, glass, jar, or Baby Soda Bottle Test Tube
- Soda bottle cap
- Vegetable oil (the cheaper the better)
- Food coloring
- Alka-Seltzer tablet or Fizzy Tablets