schoolscienceproject.blogspot.in
Two Coloured Flower
Dilute red and
green fountain pen inks with water and fill two glass tubes each with one
colour. Split the stem of a flower with white petals, e.g. a dahlia, rose or
carnation, and place one end in each tube. The fine veins of the plant soon become
coloured, and after several hours the flower is half-red and half blue. The
coloured liquid rises through the hair-fine channels by which, the water and food
are transported. The dye is stored in the petals while most of the water is
again given off.
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