Strange Soap

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In this physics activity, learners experiment with soap bubbles to see what variables affect their size. They explore how soap film and bubbles always seek the smallest surface area possible. To take it further, it is suggested that different sized cups are used and the size of the bubbles are compared to see if the ratios are equivalent.

Quick Guide

Preparation Time:
5 to 10 minutes
Learning Time:
10 to 30 minutes
Estimated Materials Cost:
$1 - $5 per student
Age Range:
Ages 8 - 11
Resource Types:
Activity, Experiment/Lab Activity
Language:
English

Materials List (per student)

  • Cups of different sizes
  • Bubble solution (made from liquid dish soap and water)
  • Container for bubble solution (big enough for cup to fit into sideways)
  • Paper towels

Keywords

Subjects

  • Mathematics
    • Measurement
      • Size and Scale
      • Circles

Audience

To use this activity, learners need to:

  • see
  • touch

Learning styles supported:

  • Involves hands-on or lab activities

Other

Includes alignment to state and/or national standards:

This resource is part of:

Access Rights:

  • Free access

By:

Source Collection

  • COSI classroom and online activities

Rights:

  • All rights reserved, COSI, 2009