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Printable science activity worksheet for making DIY lava lamps with vegetable oil, water, food coloring, and Alka-Seltzer tablets.
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DIY Lava Lamps

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About:

This printable hands-on science activity guides students in grades 4–8 through making their own lava lamps using vegetable oil, water, food coloring, and Alka-Seltzer tablets. The activity demonstrates density and chemical reactions in an engaging, visible way. Useful for STEM lessons, science fairs, camp activities, or as a quick classroom demonstration.

Subject:
Science
Topic:
Scientific Method
Grade Level:
4th – 8th Grades
Updated July 2026

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