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Activity 6: Make a Rainbow in a Jar

Activity 6: Make a Rainbow in a Jar

Beginner English

Last updated Thu, 10-Jul-2025
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Lesson overview

In this lesson, you'll create a rainbow in a jar by layering different colored liquids. You’ll learn how liquids with different densities don't mix and how the thicker liquids sink to the bottom while the lighter ones float on top. This experiment helps you understand the concept of density and how it affects how liquids behave. It’s a fun and colorful way to explore science!

Requirements
  • Spoon
  • Empty jar
  • Water
  • Food colouring (red, blue, green, yellow)
  • Sugar
  • Adult for supervision
Lessons for this course
2 Lessons
Make a Rainbow in a Jar
1 Lessons
  • Make a Rainbow in a Jar
    Start .
Quiz
1 Lessons
  • Quiz
    Start 0:00:00
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