Osmosis

See description for color version NC0427., Explains the process of osmosis as it applies to plant growth. Uses animation and time-lapse photography to demonstrate movement of molecules and the diffusion of gases and liquids. Experiments with growing plants demonstrate the effect of balance or imbalance between the osmotic and turgor pressure. Brings out the need for giving a plant enough water for both photosynthesis and transpiration.
Complete catalog record
See description for color version NC0427., NOTE: Two (or more) records have been merged together to create this data.

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Sources

  1. 16mm Filmography (legacy record) — title, year, creator, length, format, color, sound, genre, description, catalog record