Archimedes' Principle of Buoyancy

Contributor: Rebecca Highland. Lesson ID: 10383

Eureka! Using video presentations, hands-on activities, and your bath, you will learn about Archimedes' Principle of Buoyancy and how this principle is displayed in many experiences in everyday life!



learning style
personality style
Lion, Beaver
Grade Level
Intermediate (3-5)
Lesson Type
Dig Deeper

Lesson Plan - Get It!


Eureka! I found it! How do the phrase and above picture relate?

Eureka is a word used to celebrate an invention or discovery.

Archimedes, a Greek scientist, mathematician, inventor, engineer, and physicist coined this word.In this lesson, you will explore how the principle of buoyancy works through reading, video, and hands-on activities.

1. Watch TEDEd's How taking a bath led to Archimedes' principle (below) to learn more about how Eureka and the picture of the floatation device are related:


2. Read more about buoyancy on What is Buoyancy? (

3. Discuss what you learned from the video and the reading with your teacher. What is the principle of buoyancy? How does buoyancy work?

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