Colour-infused carnations

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I was inspired by this post on glowing flowers by Fun At Home With Kids and decided to try a simpler version since it is the first time we’re carrying out a science experiment. I decided we would have some fun with coloured water, to show how plants or flowers absorb water and how the water travels up to the flower petals. Jason was all excited when I told him my plan, and enthusiastically gave ideas and helped me with it. I’m not sure how much exotic coloured flowers usually cost, but these came up to very little, so would be a thrifty way of getting pretty, coloured bouquets.

Materials:

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1) White flowers (daisy or carnations) We paid $2 for 2 stalks which yielded more than 10 flowers.

2) Food colouring: We had the primary colours red, blue and yellow at home and used them to get six different colours, including orange(red + yellow), purple(blue + red) and green(yellow + blue)

3) Warm water: The florist who seems well-versed in the usage of white flowers for science experiments, helpfully gave us some tips. He said warm water is absorbed better, and to cut the stems at a diagonal angle so that it is better absorbed).

4) Glass bottles: I used the old glass milk bottles from the hospital nurseries.

Directions:
1) Put a couple of drops of colouring into each bottle, mixing the three additional colours as above. Fill it to the halfway mark with warm water.

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2) Snip the flowers diagonally along the stem and place a couple of stalks in each bottle.

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3) The magic begins two hours later, the flowers have taken on a pale shade of the colour they were immersed in. Blue was the first to be absorbed, for some reason.

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Here is a close up of it:

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4) Six hours later, the colours have taken on a darker hue as more of the coloured water has been absorbed. Yellow was the palest, which was no surprise, but I thought orange and purple didn’t show up very well and decided to add more colouring to the bottles before we went to bed that night.

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5) One day later, The colours are now more saturated. Pretty! Although, instead of orange, we got more of a dark yellow. And instead of purple, we got a darker blue.

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My favourite? The pretty sky blue!

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And red, which took on a pinkish hue.

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Look at them all put together in a bunch, they would make a lovely centerpiece for the table!

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They are still surviving well a week later, and looked so pretty in our living room, we decided to put them to good use! I’ll be revealing that in the next post!

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6 thoughts on “Colour-infused carnations

  1. funflowerfacts September 6, 2013 at 2:28 am

    What a fun little craft project! Love it! 🙂

    • Jane Ng September 6, 2013 at 10:43 am

      Thanks funflowerfacts! 🙂

  2. horsesofthesun September 10, 2013 at 2:51 pm

    That is SO cool!! Gonna try that today!

    • Jane Ng September 10, 2013 at 3:21 pm

      Do let me know how it goes! 🙂

      • horsesofthesun September 10, 2013 at 3:22 pm

        Can it be done with any white flower?

  3. Jane Ng September 10, 2013 at 4:19 pm

    I’m guessing it should be fine since they would absorb the coloured water? 🙂

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