A film sequence showing how a regular array of steel ball-bearings breaks up as the tray containing the ball bearings is agitated from side to side at increased speed. This model corresponds to the melting of a solid as the temperature rises.
Rights Statement: | Rights owned or controlled by The Open University |
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Restrictions on use: | This material can be used in accordance with The Open University conditions of use. A link to the conditions can be found at the bottom of all OU Digital Archive web pages. |
Duration: | 00:01:55 |
Keyword(s): | States of matter, melting, molecules. |
Contributor(s): | Dr Alan Walton |
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Footage description: | B/W. Walton leaning against a table in the studio speaking to camera. A tray is shown containing a ball bearing being shaken by a motor. Ball bearings from a beaker are poured and spread out onto the tray. The motor speed is increased and the movement of the ball bearings observed. The regular structure gradually breaks down. Ball bearings with a single white bearing in the centre are shaken on a tray. Still photograph of simulated liquid and solid. |
Master programe code and title: | S100/05 Science course unit 5 |
Master programme recording date: | 06/02/1972 |
Master programme first presentation: | 1971 |
Master programe filename: | S100_1971X_BX_V005.avi |
Master programme production number: | JOUZ360J |
Available to public: | yes |