The Speed of a Bubble Set connects the mathematical concept of slope to the physical science concept of velocity.
- Instructions Included
- Three Tubes Contain Three Fluids for Bubbles
- Different Factors Affect Bubbles' Speed
- Students Track Bubbles' Time through Tubes
- Purpose for Students: to Link the Concept of Slope to That of Velocity
It consists of three rugged, sealed, and transparent plastic tubes containing colored fluids of three different viscosities. The bubble in each tube rises at a constant speed, depending on the type of fluid, the angle at which the tube is inclined, and the temperature.
Students track the time it takes for an air bubble to move from the bottom to the top of the different-colored tubes. Instructions are included.
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