Understanding Our Earth - How it's surface Changes

Duration: 11 0:11:00

Genre: Educational

Creator: Coronet

Format: 16mm

Color: B&W

Sound: sound

Description: Explains the slow but constant change in the surface of the earth by showing the erosive effects of water and wind upon a recently excavated mound of raw earth. Includes scenes of the eruption of the Paracutin Volcano, the Grand Canyon of the Colorado River, and a rocky mountainside, pointing out the geologic evidence of forces which continue to build up and wear away the surface of the earth. Educational collaborator: Glenn O. Blough, Investigates the forces which cause changes in the earth's surface, such as wind, water, glaciers, rivers, volcanoes, and human activities.

Complete Record: Explains the slow but constant change in the surface of the earth by showing the erosive effects of water and wind upon a recently excavated mound of raw earth. Includes scenes of the eruption of the Paracutin Volcano, the Grand Canyon of the Colorado River, and a rocky mountainside, pointing out the geologic evidence of forces which continue to build up and wear away the surface of the earth. Educational collaborator: Glenn O. Blough, , Investigates the forces which cause changes in the earth's surface, such as wind, water, glaciers, rivers, volcanoes, and human activities.NOTE: Two (or more) records have been merged together to create this data.