White balls are added to a tray of ball bearings while it is being agitated. This models the liquid diffusion process of two liquids being mixed together.
Metadata describing this Open University video clip
Rights Statement: Rights owned or controlled by The Open University
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: 00:01:11
Keyword(s): States of matter, liquids, diffusion, molecules.
Contributor(s): Dr Alan Walton
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Footage description: B/W. Voice over from Walton. Close-up of steel ball bearings being shaken on a tray. White ball bearings are added from a glass beaker. Film in slow motion shows movement of the ball bearings.
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