Transpiration in plants. A stick of celery is split and put in two beakers of food colouring. After a few hours the xylem are stained with the dye. Th

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Transpiration in plants. A stick of celery is split and put in two beakers of food colouring. After a few hours the xylem are stained with the dye. This experiment demonstrates how capillary action is used by plants to transport water molecules up xylem vessels to the leaves.

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Photo credit: © MARTYN F. CHILLMAID/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -, action, background, beaker, biology, botany, capillaries, capillary, celery, chemical, chemistry, colouring, dye, education, food, molecules, plant, school, science, transpiration, water, white, xylem