Twist and Spout

Source Institutions

Source Institutions

Add to list Go to activity
Activity link broken? See if it's at the internet archive
In this activity, learners make their own "tornado" using two soda bottles and water. Learners discover that, under certain conditions, a liquid like water and the gases in air can act in similar ways. Wind swirling in a tornado and water swirling down a drain both create a shape called a vortex.

Quick Guide

Preparation Time:
Under 5 minutes

Learning Time:
10 to 30 minutes

Estimated Materials Cost:
free per student

Age Range:
Ages 4 - 11

Resource Type:


Materials List (per student)

  • 2 clear plastic soda bottles that are the same size
  • Tape
  • Water


  • Earth and Space Science
    • Earth Processes
      • Weather and Climate
  • Mathematics
    • Geometry
  • Physical Sciences
    • Motion and Forces
      • Rotation Motion
    • States of Matter
      • Liquids
      • Gases
  • The Nature of Science
    • The Scientific Process
      • Asking Questions
      • Conducting Investigations

Informal Categories

  • Nature and Environment


To use this activity, learners need to:

  • see

Learning styles supported:

  • Involves hands-on or lab activities


Components that are part of this resource:

This resource is part of:

Access Rights:

  • Free access