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TORNADO TUBES
National Standard: D3
“...Weather changes from day to day and over the seasons ... Global patterns of atmospheric movemtn infl uence local weather ...” 1
Suggested Use
Demonstrate the vortex action of a tornado! Fill a 2-liter bottle with water. Attach the Tornado Tube. Now attach an empty 2-liter bottle to the top. Flip the whole thing over so the full bottle is on top. Swirl the water to start the action, then watch the vortex form. Related concepts: air pressure, weather, etc.
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