🏮How to Make 3 Kinds of Lava Lamps

Alexi and Arie experiment by making three different kinds of lava lamps and talk briefly about what density is and why oil floats on water.
Watch the whole video or go directly to the lava lamp you want to see by clicking the timecode below:
0:00 Introduction
0:31 Lava Lamp #1 (Standard lava lamp) - Water, oil, Alka-Seltzer and food coloring
3:12 Lava Lamp #2 (Glowing lava lamp) - Water, oil, Alka-Seltzer and glow sticks
5:48 Density animation
6:43 Lava Lamp #3 (Glowing lava lamp with black light) - Water, oil, Alka-Seltzer and highlighters
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#scienceforkids #lavalamps #density #funforkids
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