12 V DC Electric Kinetic Theory Model Apparatus
$292.00(Ex GST)
- 12 V DC kinetic theory demonstrator, motor-driven vibrating platform inside scaled acrylic tube.
- Uses 100 stainless steel balls on rubber surface, agitation represents molecular motion in a gas.
- Motor speed variation changes ball agitation, models heating effects on particle motion intensity.
- Foam disc floats on agitated balls, height readable on scale, second heavier disc for comparison.
- Shows approximate link between disc weight as pressure model and floating height as volume model.
- Description
- Datasheets & Manuals
Description
The IEC kinetic theory apparatus is a robust teaching demonstrator for modelling molecular motion in a gas using moving steel balls. A strong DC motor drives a vibrating platform inside an acrylic tube fitted with a scale. The platform has a rubber surface, and the tube is loaded with 100 small stainless steel balls. As motor speed is varied, the agitation of the balls changes, simulating the effect of heating on gas particle motion.
A light polystyrene foam disc is placed in the tube and floats on the agitated balls at a measurable height. A second heavier disc can be added or used instead, allowing comparison under different loads. By observing the floating height on the scale and changing the disc weight, students can see an approximate relationship between floating height as a model of gas volume and disc weight as a model of pressure.
FAQs
Q: What does this apparatus demonstrate?
A: A kinetic theory model of gas molecules using ball agitation to represent particle motion.
Q: What powers the vibrating platform?
A: A strong DC motor, with speed variation controlling agitation.
Q: How many balls are used in the model?
A: 100 small stainless steel balls.
Q: What is the function of the foam disc?
A: It floats on the agitated balls at a height that can be read on the tube scale.
Q: Why is a heavier disc included?
A: To compare floating height under different disc weights.
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