How to Change the Color of a Flower for a Science Fair
Creating a double color flower using science is no doubt a very fun experience. This project is a perfect way to fascinate your competitor students in the science fair projects. It is super easy to conduct and requires some very easily available equipment. Moreover, this easy project is the best way to produce multi-colored flowers. White carnations are preferred for to conduct this experiment as they pick color very quickly.
Aim of project: to create double color flower
Time for setting up the equipments: 10 to 15 minutes
Time to carry out the observations: 1 to 12 hours
Materials Required:
– White flower with stem and leaves – white carnation is preferred
– 2 Glass tumblers
– Blade to slit the flower stem
– Red dye (water soluble) – the color of dye is your choice
– Water
Instructions
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1
Take two glasses of equal size and fill them with water.
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2
Pour the red dye into one of the glass and stir to dissolve it in the water. You can replace the red dye with any color that you like.
Note: Make sure to use water soluble dyes. However, if you do not have dye available at hand, then simply replace it with food coloring in the shade of your choice.
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3
Gently slit the stem of the white flower with the help of a sharp blade.
Note: White carnation is the best choice to conduct this experiment.
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4
Now, place one half of the stem of the white flower in glass with plain water and the other one in the glass with red dye.
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5
Leave it for few hours until one side of the white flower turned to red color.
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6
Why does this happen?
One side of the white flower changed its color as the capillary action carries water from the soil to various parts of the plants and flowers. The water goes up through sap tubes that create the required capillary force.
 – the color of dye is your choice
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