Lava Lamps, Polar Molecules, and Density

Students learn about polar and non-polar molecules and density by making their own lava lamps and exploring how they work.


Some media may contain mature content. Discretion is advised when viewing with students.

Lesson Plan

The materials needed to create the lava lamp are: a clear bottle or jar, vegetable oil, water, food coloring, and Alka-Seltzer. Students can be broken up into groups to make their lava lamps, or the instructor can make the lava lamp while the students observe.

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Lesson tags: Eighth, Ninth, Pop Culture, Science, Seventh, Television

Anthony Naclerio

Anthony Naclerio Tony Naclerio is a curriculum writer and experienced Science educator. Tony specializes in merging video games, music, movies, and other forms of entertainment with life science principles. Tony believes that the key to teaching science is showing how science can apply to everyday life. Science is, in its purest sense, a way to understand the world around you, and in turn, yourself.