The Way Things Work Pressure
The inhabitants of Mammoth Island work together to retrieve a wedding ring that has fallen down a sink drain. They discover what a straw, a plunger, a vacuum and a jackhammer all have in common and the differences and similarities between air pressure (pneumatic machines) and liquid pressure (hydrau...
| Corporate Author: | Millimages S.A., Schlessinger Media., Pearson Broadband. |
|---|---|
| Other Authors: | Macaulay, David. |
| Format: | Videos DVD |
| Language: | English |
| Published: |
Wynnewood, PA :
Schlessinger Media,
[2003], c2002.
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| Subjects: |