All Challenges
Challenge 017 · Ages 8–14
Density Rainbow
Layer liquids of different densities.
Primary STEAM area
Science
The Challenge
What will your learner investigate?
Can you create a stable rainbow by layering liquids according to density?
Learning outcomes
- Define density through comparative observations.
- Predict and test the order of different liquids.
- Record results and explain why layers form.
Connected learning
Science: density and liquids; Mathematics: volume and ordering; Art: colour composition; English: scientific explanation.
Dream Areas
Physicschemistrymaterials sciencefood sciencelaboratory research