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Twist and Spout
Source Institutions
In this activity, learners make their own "tornado" using two soda bottles and water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-434.png?itok=E-QLTAE5)
Three Little Pigs Construction Company
Source Institutions
In this activity about problem-solving, learners build a house for the Three Little Pigs using twenty straws and two index cards.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-148.jpg?itok=9OGfTe0H)
Go with the Flow
Source Institutions
In this quick and easy activity and/or demonstration, learners use two empty soda cans to illustrate Bernoulli's principle.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-122.gif?itok=4sTtQDK5)
Updrafts in Action
Source Institutions
In this weather activity/demonstration, learners watch as a ping pong ball is suspended in a stream of air supplied by a hair dryer.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-579.jpg?itok=xbaNWE6H)
Vortex
Source Institutions
In this activity, learners create a tornado in a bottle to observe a spiraling, funnel-shaped vortex. A simple connector device allows water to drain from a 2-liter bottle into a second bottle.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-051.jpg?itok=89-K5Rvw)
Convection
Source Institutions
In this activity, learners model atmospheric convection currents using food coloring, water, and clear cups. Activity includes step-by-step instructions, STEM connections, and more.