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Cincinnati Form Franklin Flask - Demonstration Kit

Cincinnati Form Franklin Flask - Demonstration Kit, AP6566
Catalog Number
Cincinnati Form Franklin Flask - Demonstration Kit
Product Description

By: The Flinn Staff

The ultimate in discrepant events. Show students that you can boil water by cooling it! Fill the specially designed flask one-third full with water. Bring the water to a boil and then remove the flask from the heat. Place a rubber stopper fitted with a thermometer in the neck of the flask. Invert the flask in a support ring and add crushed ice to the concave bottom of the flask. The water now begins to rapidly boil again. As the boiling continues, the temperature steadily drops to within 15-20º of room temperature. All materials included are reusable.

Boiling, vapor pressure, evaporative cooling.
Time Required: 15 minutes
Materials Provided: Cincinnati form Franklin flask, 1-hole rubber stopper.
Note: A thermometer, ring stand, and 12-cm support ring with clamp are required and available separately.


Flinn Digital Thermometer, with Extension Probe
This hand-held, easy-to-read digital thermometer is ideal for monitoring temperature changes in liquids and semi-solids-and it avoids the hazards of using mercury thermometers in your classroom! Removable, 12 cm stainless steel probe allows for a measurement...
Additional Resources
No Additional Resources at the time.
Flinn Catalog/Reference Manual Page 381
Flinn Middle School Catalog/Reference Manual Page 360
P.O. Box 219, Batavia, IL60510



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