Kinetic Theory Model, Demonstrates molecular activity in gases., Each

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Demonstrate the kinetic gas theory with this CE-approved apparatus, which features a small electric motor that vibrates a platform, causing the metal balls to vibrate violently. The apparatus is supplied with balls and two floats. This model allows students to study the motion and behavior of molecules in gases. The electric motor, running at 4-12 V DC, vibrates a small platform inside a transparent tube, vigorously shaking a set of small steel balls. An increase in the violence of vibration simulates an increase in gas temperature, while an increase in the weight of the "float" simulates an increase in gas pressure.