Capillary Action Experiment
Demonstrate the absorption of water by plants with this capillary action experiment.
Capillary Action in Plants
You will need Celery or a daisy
Ink or food colouring
glass bottle
Method Place the ink or food colouring in a glass jar.
Place a stick of celery or a daisy in the jar and leave it for about four hours.
Cut a slice of the stem of the celery.
The daisy before (left) - Blue lines on the daisy petals after (right)
ResultThe blue colour has risen up the stem of the plant as the plant sucked up the liquid.
This demonstrates that plants suck up water through their stems.
You should see coloured dots in the stem of the celery where the coloured liquid has travelled up the capillaries of the plant.
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