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DIY Science Projects

How to use ? - The rise of sap

  • Step 1

    Fill 3/4 of the cup with water and add food coloring or ink.



  • Step 2

    Cut the endive in half lengthwise.



  • Step 3

    Slice the bottom of the endive half a millimetre.



  • Step 4

    Place the half-endive upright in the cup.



  • Step 5

    After a few hours, the colored water will already have risen 2 or 3 cm in the endive...



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