Materials: A clean plastic bottle, try to use one with smooth sides water Vegetable Oil (or you could use Mineral or Baby Oil instead) Fizzing tablets (such as Alka Seltzer) Food Coloring   Watch Scientist Joe as he makes the Lava Lamp Experiment here!   Instructions: Fill the bottle up about 1/4th (1 quarter) with water. Pour the vegetable oil … Continue reading Lava Lamp