How solid is rock? (1968)

Episode of Series “Earth science series”. Provides a series of investigations which will lead to an understanding of the behaviour of rock. Shows how a rapid rate of deformation in rock produces fracturing while a slow rate produces flow. Suitable for middle and upper secondary levels.

上映日期
1968-01-01
片长（分钟）
22分钟
导演
Charles L. Finance

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