Science course unit 5

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Description
The programme looks at (l) the states of matter and the forces which bind atoms together (2) Distribution of molecular velocities in a gas and a method for measuring this.

Thumbnail	Title	Description	Date
	Simulation of a solid using steel ball-bearings	In this demonstration oily steel ball-bearings are used as a simple mechanical simulator for a solid.	06 February 1972
	A simulation of the movement of molecules in a melting solid	A film sequence showing how a regular array of steel ball-bearings breaks up as the tray containing...	06 February 1972
	A simulation of liquid diffusion	White balls are added to a tray of ball bearings while it is being agitated. This models the liquid...	06 February 1972
	A demonstration of the diffusion of a gas (bromine)	Dr Walton demonstrates how fast the diffusion process occurs in a gas compared to a liquid.	06 February 1972
	The types of energy that hold molecules together	An explanation by Professor Elliott of how kinetic energy and binding energy hold molecules together.	06 February 1972
	A demonstration of Brownian motion	The random movement of pollen grains in a suspension as seen through a microscope is shown. The...	06 February 1972