Physics- Heat, Lesson 9: Refrigeration and Geysers

Duration: 30 min

Creator: Encyclopaedia Britannica Educational Corporation

Description: Presents the general principles of refrigeration. Shows water simultaneously boiling and freezing at the same temperature. An actual periodically spouting geyser demonstrates the effect of pressure on the boiling point of water.

Metadata Source:Catalog of Classroom Teaching Films for Georgia Schools, No. 10 (Georgia Department of Education)