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Demonstrates some of the factors affecting reaction kinetics, leading to deductions of rate equations, rate determining steps, order, activation energies, molecularity and reduction mechanisms. Shows the...
The electromagnetic spectrum. The essential parts of a spectrometer. How the emission spectrum of atomic hydrogen can be recorded. The relationships between the lines of the hydrogen spectrum. How each line...
An elementary introduction to the properties of semi-conductors, the PN junction and the junction transistor.
An experiment to give an idea of the size of atoms is followed by suggestions for teaching the concept of gram-atoms using a film-loop and other visual aids. The idea of a gram formula is explained and...
Gram-atoms are used to develop the idea of how atoms are arranged in a substance. Nuffield approach only.
Part 1 (1958): Mentions the basic principles of radar but the focus of this film is an explanation of how CRT and PPI (plan position indicator) displays are produced. Part 2 (1957): A detailed explanation of...
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Learning on Screen