How to Make a Flower Bouquet with Science

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Last week, Street Scientist, Ailie, showed us how to make a colour wheel with kitchen roll. Now we’re going to use that same technique to create a colourful bunch of paper flowers.

How can we use the process of capillary action, and the coloured water we made last week, to do something creative? First, you need to make 6 flower heads out of kitchen roll by folding and cutting as below.

  1. First fold the sheet in half to make a rectangle.
  2. Fold the rectangle in half to make a square.
  3. The fold the square in half diagonally to make a triangle.
  4. Fold the triangle in half again.
  5. Cut the top of the small triangle into a round petal shape
  6. Unfold the sheet to reveal your flower.
  • Cut another sheet in half and twist it up to form a stalk. Then pinch the end of your flower head and tape the stalk to the flower.
  • Place the stem of each flower into one of the cups of coloured water from earlier. Put something underneath the flower heads to soak up any extra water, or do it outside if you can.
  • Come back in an hour and the water should have moved, by capillary action, throughout the whole flower. You can now remove the stems from the cups and leave them to dry.
  • Scrunch all the dried flowers you’ve made together, tape around the top of the stalks, and you’ve made a beautiful multicoloured bouquet.

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