We put 6 different mms on a plate – not touching. Then
we added a drop of water on each one – to get colour off each mm. (A tricky
process)
While that was happening we prepared our filter paper by
sticking it to a stick and putting a starting line on it 2cm up.
Next we used a toothpick to put an extract of colour
from mms onto starting line and used the Air to dry colours on paper
We watched the paper absorb the water and take the colour up
the paper
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