Testing hypotheses

Duration: 0:13:50

Year Published: 1972

Creator: Coronet Instructional Films: Distributor | Indiana University Audio-Visual Center: Distributor

Format: 16mm

Color: Color

Sound: sound

Description: Uses reenactments to demonstrate how hypotheses are tested by using either the controlled experiment or naturally occurring evidence, pointing out that each method is suited to different situations. Shows the stages of Pasteur's experiments on bacterial growth in liquids to record how variables are isolated and controlled. Details how scientists tested the hypothesis that species evolved at different times in history by using naturally occurring evidence such as geological formations and fossils.

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