Ignite your students’ curiosity with this mesmerizing lava lamp experiment — a hands-on, visual demonstration of oil and water, density, mixtures, and how immiscible substances behave. Using effervescent tablets, you will create lots of oohs and ahhs while they expand their knowledge on the properties of matter. It makes an excellent introductory lesson about oil spills for environmental science and Earth Day. This hands-on lab can be conducted in 30 minutes, uses simple supplies, and includes t