Birth And Death Of Mountains

Duration: 0:11:00

Creator: BFA Educational Media | Film Associates of California

Format: 16mm

Color: Color

Sound: sound

Description: Describes the forces inside the earth which raise up new mountins in a countinuing cycle of change and the forces on the earth's surface such as ice, wind, and water which are constantly wearing mountins down., Shows illustrations of forces within the earth which raise up mountains and forces on earth which wear down mountains. The waring down forces discussed are ice in the form of glaciers, wind carrying particles of sand which act as a scouring agent, and water which dissolves minerals and carries them away. Shows and classifies several mountain types including Mt. Shasta, and the Rockies.

Complete Record: , Shows illustrations of forces within the earth which raise up mountains and forces on earth which wear down mountains. The waring down forces discussed are ice in the form of glaciers, wind carrying particles of sand which act as a scouring agent, and water which dissolves minerals and carries them away. Shows and classifies several mountain types including Mt. Shasta, and the Rockies., Describes the forces inside the earth which raise up new mountins in a countinuing cycle of change and the forces on the earth's surface such as ice, wind, and water which are constantly wearing mountins down.NOTE: Two (or more) records have been merged together to create this data.