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Products
Speed of a Bubble Demonstration Set |
Teach Students How to Graph Data |
A bubble in each tube rises at a constant speed that depends on the type of fluid, the angle at which the tube is inclined, and to some extent, the temperature. This set provides students with practice setting up experiments and graphing data. Students discover that the slope of a distance vs. time graph is the speed of the moving object described, and from the graphs verify that the bubbles travel at constant speeds. Students may be challenged to predict the effect of an angle on bubble speed, and to design and conduct an experiment to test their hypothesis. It comes with three 21″ transparent plastic tubes containing colored fluids of three different viscosities and instructions.
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