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Have you ever wondered how your lungs move air around? Safety: This activity involves using scissors to cut into a plastic bottle. Ask an adult for help with this step and cover the resulting sharp edges with duct tape.

Difficulty: Tricky You have 2 glasses, each filled with 100 millilitres (ml) of soda. One contains cola and one contains orange soda. First, you take a spoonful of cola and mix it into the orange soda. Next, you take an equal spoonful of the orange-cola mixture and put it into the glass of cola. Which…

Happy World Gratitude Day (21 September)! Our world definitely rocks and we’re celebrating it with this life-sustaining quiz. Can you get into the ozone and score a high five?

Difficulty: Fun The big rectangle below is made from 4 small rectangles. All the small rectangles are equal, meaning that they have the same size and shape. If the small rectangle’s short side is 8 centimetres, what is the length (long side) of the bigger rectangle?

This quiz is tied up with a rainbow! Can you earn that pot of gold? Or have you bitten off more than you can hue?

Not one, but 2 new Australian shark species have recently been described by CSIRO scientists and both have pretty cool appearances! CSIRO researchers Will White and Helen O’Neill lead the team of scientists who introduced the world to these new sharks, both found in deeper waters off north-western Australia. The CSIRO team first published the…

Difficulty: Tricky Alex is playing a dice game with 2 standard 6-sided dice, one red and one blue. Each die has faces numbered from 1 to 6. Alex rolls both dice and adds up the numbers on the top faces. After a while, Alex notices that the sums are always between 2 and 12 and…

Happy Book Week! You’re bound to enjoy the questions we have in circulation but can you get full bookmarks?  

Australia has many amazing land snails. There are currently about 1,500 described species and another 1,000 waiting to be named.

Some of these animals might sound familiar, but I bet they’re not what you’re expecting!