Classroom Chemistry | Lesson 6 - Lava Lamp

Downloadable (1 PDF - 4 pages)

The activity Lava Lamp can also be found within the Classroom Chemistry - Let's Do Science Bundle. If you are interested in purchasing this activity and more, you can check out the Classroom Chemistry bundle here.

Create your own lava lamp using household ingredients! This hands-on activity introduces a chemical reaction to demonstrate how density of fluids affects their behavior and is ideal for grade 5.

After completing this lesson bundle, students will be able to:

  • Recognize and describe evidence of a chemical reaction and a physical change
  • Understand and explain why oil does not mix with water, but food coloring does

Additional resources included with the activity plan:

  • Student worksheet

Additional resources required:

  • Empty plastic bottles (~600mL)
  • Measuring cups
  • Water
  • Food coloring
  • Vegetable oil
  • Alka-seltzer antacid tablet