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 Table of Thermodynamics Thermodynamics (4C): Change of State Thermodynamics (4E): Gas Law Lecture Demonstrations

## Kinetic Theory

PIRA classification 4D

 Grayed Demos are either not available or haven't been built yet.

# 4D10. Brownian Motion

 PIRA # Demonstration Name Abstract 4D10.00 Brownian Motion 4D10.10 Brownian motion cell View a smoke cell under a microscope. 4D10.10 Brownian motion smoke cell on tv Look through a microscope at a small illuminated cell filled with smoke. 4D10.10 Brownian motion Observe the motion of particles in a smoke cell through a microscope. 4D10.10 Brownian motion smoke cell Observe the Brownian motion smoke cell through a low powered microscope. 4D10.10 Brownian motion cell Observe a small smoke cell through a microscope. 4D10.10 Brownian motion cell View a smoke cell under a microscope. 4D10.10 brownian motion A smoke cell is viewed under 100X magnification. 4D10.11 Brownian motion - virtual image The optical setup for viewing Brownian motion by enlarged virtual image. 4D10.12 Brownian motion Use a laser beam to illuminate a smoke cell under a microscope viewed with TV 4D10.12 smoke cell Project the Brownian motion smoke cell with TV Picture. 4D10.13 Brownian motion on tv Polystyrene microspheres are used in place of the smoke cell, the eyepiece of the microscope is removed and the image is formed on the shielded TV tube. 4D10.13 smoke cell for tv Modifications to the standard Welch smoke tube for use with television projection. 4D10.14 Brownian motion - light scattering Pass a laser beam through a cell with a suspension of polystyrene spheres. Hold a card up and show the fluctuations of the scattered light. 4D10.15 Brownian motion - macroscopic cell Ball bearings hit a piece of stressed plexiglass Crossed Polaroids render the balls invisible. 4D10.20 Brownian motion simulator 4D10.20 Brownian motion simulation Place many small and a few large balls on a vibrating plate on an overhead projector. 4D10.20 Brownian motion simulation A large disc is placed in with small ball bearings in the shaker frame on the overhead projector. 4D10.21 Brownian motion simulation A Brownian motion shaker for the overhead projector. Includes the original references to Brown and Einstein. 4D10.25 Brownian motion simulation The Cenco kinetic theory apparatus is modified by mounting a baffle in the center of the tube to reduce the spinning of the particles, and suspending a 1 cm bead in one half of the chamber. 4D10.30 colloidal suspension 4D10.30 Brownian motion - colloidal Place a colloidal metal suspension made by sparking electrodes under water on a microscope slide. 4D10.31 formation of lead carbonate crystals Project the formation of flat-sided crystals of lead carbonate in a glass cell on a screen. See Sutton, A-50. 4D10.31 rotary Brownian motion Observe a dilute suspension of flat lead carbonate crystals under low magnification. 4D10.33 Brownian motion in TiO2 suspension A TV camera looks through a microscope at a water suspension of TiO2. 4D10.34 Brownian motion corridor demo. Dow latex spheres in water through a 1900 power projection microscope, mechanical analog with a 2" puck and 1/4" ball bearings. 4D10.34 Brownian motion corridor demo. A corridor demonstration of Brownian motion of Dow latex spheres using a projection 1900 power microscope. 4D10.40 Dow spheres suspension 4D10.40 Brownian motion of a galvanometer An optical-lever amplifier for studying the Brownian motion of a galvanometer. 4D10.40 Brownian motion with Dow spheres Small polystyrene spheres made by Dow are suspended in water for illustrating Brownian motion.