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

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

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.

In this activity from CSIRO's Double Helix Science Club you'll create a work of art while learning some maths.

This Double Helix Science Club activity provides instructions on how to make your own fossils from white glue. In this activity you'll learn about the science of fossil formation.

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

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

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

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

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