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GGNZ Water For Life - How Plants Drink Water

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Plants need water to survive. This activity shows you how plants absorb water.
Added by the GGNZ Programme Team


Equipment • a vase or other container filled with water • food colouring • a pale coloured flower (preferably white)


Place a good deal of the food colouring into the vase of water. Now place your pale coloured flower into the water.
Leave it for a good while and then examine the flower to see what has happened. You’ll find that the flower is changing colour! It will be absorbing the food colouring. Depending on your choice of flower, you may be able to see the water travelling through the veins of the petals.

Try splitting the stem and having two different colours of water. Does your flower turn both colours?


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