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Science Experiment Essentials

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Science Experiment Essentials

Help Pip the Possum investigate what happens when coloured water moves through paper. Look closely, make a guess, and tell what you notice. Ask an adult to help with the activity. Never taste experiment materials.

Our colour-walking investigation

An adult puts a little water in two clear cups and adds a different food colour to each. A dry paper towel strip has one end in each cup. We wait and watch. The coloured water may travel up the towel and meet in the middle. Use only adult-prepared materials.

1.Pip wants to find out what happens when two colours meet. Which is a good science question?
  • What colour will the water make?
  • Can the cups fly?
  • Where is my toy?
2.Before trying it, Pip says, “I think red and yellow water will make orange.” Is this a prediction or an observation?
  • A prediction: a guess about what might happen
  • An observation: something already seen
3.Look at the experiment materials. Point to or name the thing that carries the coloured water between the cups.
4.What should Pip do first: watch the water travel, or make a prediction?
  • Make a prediction
  • Watch the water travel
5.The red water has climbed up the paper towel. Pip says, “I can see red on the towel.” Is this an observation or a prediction?
  • An observation: something Pip can see
  • A prediction: a guess about later
6.Tick the two safe choices for an experiment with coloured water.
  • Ask an adult to help
  • Taste the water
  • Keep materials on the table
  • Run while carrying a cup
7.Pip writes, “The water in the middle is orange.” Is this an observation or a prediction?
8.The cups are finished. What is a helpful thing to do after an experiment?
  • Wash hands with an adult’s help
  • Leave spills on the floor
  • Put the paper towel in your mouth
9.Draw one thing you noticed in the colour-walking experiment. You could draw the cups, the paper towel, or the colours meeting.
Draw what you noticed.
10.What could Pip ask about next time? Choose a question that could be tested safely.
  • Does a longer paper towel change how far the water travels?
  • Can I drink the coloured water?
  • Can I throw the cups?

3 printable pages

  • Science Experiment Essentials, page 1 of 3: Our colour-walking investigation

    Page 1

  • Science Experiment Essentials, page 2 of 3: 4. What should Pip do first: watch the water travel, or make a prediction?

    Page 2

  • Science Experiment Essentials, page 3 of 3: Draw what you noticed.

    Page 3

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