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Aim of the Activity
To move water from one glass to the next using paper towel
Target Year Level
Years 2 - 4
Curriculum Alignment
Science
Things you will need
2 sheets of paper towel
3 glasses
2 different food colours
Choose two primary colours that will mix to make a secondary colour. E.g. red and yellow to make orange or blue and red to make purple.
Description of the Activity
Place the three glasses side by side.
Starting on the left hand side, fill that glass with water. Squirt a generous amount of blue food colouring into the water.
Leave the middle glass empty.
Now fill the glass on the far right hand side with water and add a generous amount of yellow food colouring.
Fold a paper towel in half lengthways and again so that it will fit into the neck of your glass easily. Now place one end of the paper towel into the blue water and bend the paper towel over the edge of the glass so that the other end sits in the empty glass in the middle.
Do the same on the other side: place one end of a paper towel into the yellow water, and bend it over so that the other end rests in the empty glass in the middle.
Watch and wait.
In about 30 minutes or so, the water will start 'walking' up the paper towels and over into the middle glass.
After about two hours you will have a mix of the two colours in the centre glass
Questions to talk about with your child
What do you think will happen to the water?
Why do you think this will happen?
What colour will the water in the middle glass be? Why?
Links for further learning
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