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Royal Institution Christmas Lecture given by Peter Wothers on the subject of the rocks that form the planet Earth. Wothers takes as his starting point the beliefs and suppositions of the medieval alchemists...
One of a series of eight book-and-CD-ROM packages developed for the Open University’s course THE MOLECULAR WORLD (S205), which provides a broad foundation in chemistry by introducing fundamental ideas,...
S260 support video in four bands: 1) Geological Time: Shows how the rock record relates to time, and illustrates the law of superposition and the law of faunal succession. Demonstrate the immensity of the...
Seven activities designed as science learning resources: 1) Holly Leaf Miner: explores the biology of this insect and its predators, showing how to undertake a biological project to quantify mortality...
A electronic version of the text ‘Understanding Earth’ by Frank Press and Raymond Siever, with additional diagrams, photos, 3-D animation, laboratory demonstrations, mini-documentaries, archival footage,...
Starts by showing how ores are extracted from an underground mine in Cornwall and looks at the variety of minerals found in these ores. Then looks at ways of separating minerals from mined ore using...
First shows a large-scale polarising microscope, demonstrating the principles of optical mineralogy and includes animation about light polarisation and interference. Then shows the preparation of rock thin...
A brief review of the earth’s history and formation and the elements of which it is composed. Describes how conditions on the surface of the planet eventually generated the living cell resulting in plant...
The opening sequences illustrate, with the aid of an optical bench, the general theory of the formation of the Becke line. The theory is then applied to microscope studies using both grain mounts and thin...
Explains the technique of froth flotation used in concentrating minerals from low-grade ores. Hydrophobicity and flotation are shown at laboratory scale, then at pilot-plant scale, finally in industrial...
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