Nature of Density

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In this activity learners will explore the concepts of density and matter in their quest to answer one simple question-will it sink or will it float? Included in this activity is an easy to use guide, flexible materials, and a video that you can learn alongside of! This activity is safe and fun for all ages, but be careful things may get a little wet!

Quick Guide

Preparation Time:
5 to 10 minutes

Learning Time:
5 to 10 minutes

Estimated Materials Cost:
$1 - $5 per student

Age Range:
Ages 4 - 11

Resource Type:


Materials List (per student)

  • 1 Can of Soda
  • 1 Can of Diet Soda
  • 1 Egg
  • 1 Plastic Bottle Cap
  • 1 Metal Bottle Cap
  • Anything else you want to test!


  • Physical Sciences
    • Structure and Properties of Matter


Components that are part of this resource:

This resource is part of:

Access Rights:

  • Free access


Source Collection

  • Life and Science at Home


  • All rights reserved, Museum of Life and Science, 2021