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Physics Over the Sink: Water Glass Magic


Source Institutions

    American Physical Society

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Physics Over the Sink: Water Glass Magic

In this simple demonstration, learners investigate the properties of air pressure. Learners place an index card on top of a glass full of water, then invert the glass. The surface tension of the water and air pressure keep the card in place.

Quick Guide


Preparation Time:
Under 5 minutes

Learning Time:
5 to 10 minutes

Estimated Materials Cost:
free

Age Range:
Ages 8 - 14

Resource Type:
Activity

Language:
English

Materials List (per student)


  • A glass full of water
  • A note card
  • A sink

Subjects


  • Earth and Space Science
    • Earth Structure
      • Atmosphere
  • Physical Sciences
    • Motion and Forces
    • States of Matter
      • Liquids
  • The Nature of Science
    • The Scientific Process
      • Asking Questions
      • Conducting Investigations

Informal Categories


  • Science Festivals Activity

Audience


To use this activity, learners need to:

  • see
  • touch

Learning styles supported:

  • Involves hands-on or lab activities

Other


This resource is part of:

Access Rights:

  • Free access

By:

  • American Physical Society

Rights:

  • All Rights Reserved, American Physical Society, ©2012

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