Text: Geology, maths & other experiments. Image: Rocks.
  • two kids with their hands tied up with string

    Try this puzzle, but don't tie yourselves in knots! The tangled web puzzle will show you why knots are important in mathematics.

  • Bar Compass experiment

    This experiment from CSIRO's Double Helix Science Club provides instructions to make your own compass and learn about the Earth's magnetic field.

  • illustration of an optical illusion staircase

    Learn a bit about how your brain works in this activity from CSIRO's Double Helix Science Club which provides instructions for a couple of mind boggling tricks.

  • Photo of a cake shaped liked Antarctica. Photo by Tanya Patrick.

    This activity from CSIRO's Double Helix Science Club provides instructions for an edible model of Antarctica that teaches you about icebergs.

  • Image of pi necklace

    Follow these instructions to make a pi necklace and learn about the exciting number pi.

  • Fossil ammonite shell

    This experiment from CSIRO's Double Helix Science Club provides instructions on how to make your own fossils and other plaster casts.

  • Two linked heart shapes made from coloured strips of paper.

    This activity from CSIRO's Double Helix Science Club provides instructions to make your own Moebius strip and in the process learn about topology.

  • Image of a pie being measured

    Follow these instructions to measure the constant pi using a pie and then you can eat the leftovers.

  • Plastic elephant toy

    This activity from CSIRO's Double Helix Science Club provides instructions for a mathematical 'mind reading' trick.

  • Australian Aboriginal rock painting

    Make your own paint and create your very own rock painting with this activity from CSIRO's Double Helix Science Club.