Go with the Flow

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In this quick and easy activity and/or demonstration, learners use two empty soda cans to illustrate Bernoulli's principle. Learners lay the two cans parallel to each other on a level surface and blow between the cans to cause them to roll together. Use this activity to introduce learners to the basics of air pressure. This resource also includes information about how air pressure relates to tornados and tornado safety.

Quick Guide

Preparation Time:
Under 5 minutes
Learning Time:
5 to 10 minutes
Estimated Materials Cost:
free per group of students
Age Range:
Ages 6 - 18
Resource Types:
Activity, Demonstration, Lesson/Lesson Plan
Language:
English

Materials List (per group of students)

  • Two (2) empty soda cans
  • Level surface

Keywords

Subjects

  • Earth and Space Science
    • Earth Processes
      • Weather and Climate
    • Earth Structure
      • Atmosphere
  • Physical Sciences
    • Motion and Forces
      • Momentum and Velocity
    • States of Matter
      • Gases
    • Structure and Properties of Matter
  • The Nature of Science
    • The Scientific Process
      • Conducting Investigations

Informal Categories

  • Nature and Environment

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:

Rights:

  • All rights reserved, National Weather Service,