Simple Science Project: Changing the colour of a flower

by Joel
(Sydney)

Today, the 22nd of August 2008, I got two different flowers from our garden. One was a white daisy and the other was a pink and purple magnolia.

I put these the stems of these two flowers into blue food colouring. I left them for an hour and when I came back, the white daisy showed the blue colouring as the colour went up the stem and the veins of the petals.

After another half an hour, the big purple magnolia started changing and you could see blue in its veins.

A few hours later, both flowers turned quite blue over their entire petals.

I thought it was quite exciting to watch. By doing this experiment, you can tell how quickly water goes up the stem to the petals of the flower.

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