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.
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from Steve Spangler Science