Science Skills Film No 2 - Controlling Variables, Making Measurements

Year Published: 1975

Creator: Goldberg/Werrenrath Productions

Format: 16mm

Sound: sound

Description: Introduces basic skills needed to conduct a scientific investigation by observing an experiment in which sunflower seeds are grown under controlled conditions. Demonstrates that by controlling the variables and making measurements of the plants as they grow, the effect of chemical nutrients can be learned.

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