Overview
Curious about what causes those mesmerizing bubbles in lava lamps? In this episode of STEM Unplugged, students will make their own lava lamp using a few common household items while getting a quick lesson on density and chemical reactions.Â
SuppliesÂ
- OilÂ
- WaterÂ
- Clear containerÂ
- Alka Seltzer tabletsÂ
- Plate or trayÂ
- Optional: food coloringÂ