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Does Wet Hair Float or Cling?

Active Time
10-20 minutes
Total Project Time
10-20 minutes
Key Concepts
Water, cohesion, surface tension
long hair dry

Introduction

Have you ever noticed how hair moves freely when it is under the water, but clings together as soon as it emerges out of the water? Not only human hair does this; when wet dogs shake themselves after a swim, their hair clings together in strands. Try this activity to see why wet hair is far less fluffy than dry hair!

Credits

Sabine De Brabandere, PhD, Science Buddies
This activity is not appropriate for use as a science fair project. Good science fair projects have a stronger focus on controlling variables, taking accurate measurements, and analyzing data. To find a science fair project that is just right for you, browse our library of over 1,150 Science Fair Project Ideas or use the Topic Selection Wizard to get a personalized project recommendation.

Materials

  • Paintbrushes, the round ones work best. If available, select brushes with different thicknesses, types of bristles, etc.
  • Bowl or sink filled with water
  • Towel
  • Area that can get wet
    wet hair activity paint brushes materials

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Active Time
10-20 minutes
Total Project Time
10-20 minutes
Key Concepts
Water, cohesion, surface tension