Nov 08

Flower experiment

Can a flower change its colour? This fun experiment is a great way to teach children of all ages about transpiration.

You will need:

  • White flowers
  • Food colouring
  • Glasses or vases
  • Scissors

What to do:

  1. Begin by trimming the flowers down so that they fit nicely in whatever vases or glasses you are using. Giving the flowers a fresh cut also helps them to absorb the coloured water more quickly.
  2. Fill your vases with the desired amount of water, and then have kids add a few drops of food colouring and a flower to each vase.
  3. Have kids make observations and predict what will happen to the flowers as they live in the coloured water. Then, place the flowers in a sunny spot: as the flowers drink the water they will magically change colour.

This experiment takes more time with certain flowers. White roses may change colour overnight. The daisies may take much longer. This is not necessarily a bad thing. This only extends the life of the experiment and is also a good lesson in patience.


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