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You might not think about it much, but there’s an amazing planet under your feet. Dig down about 50 kilometres and the rocky crust begins to give way to the hot, soft mantle. Deeper down, the rocks get hotter and runnier, reaching temperatures of thousands of degrees.

Do you know your trees, moons and non-metals? We’ve got a bunch of tricky trivia here for you this round! If you’re after more fun science for kids, subscribe to Double Helix magazine!  

If you’ve ever seen the iconic movie The Dish, you’ll probably remember when two engineers turned the most famous telescope in Australia into a cricket pitch. Kids from across New South Wales got a chance to do the same, along with some of Australia’s biggest cricket stars.

Astronauts have nerves of steel. They ride controlled explosions, strapped to giant tanks of rocket fuel. And every now and then, things go wrong. Last Thursday, two space explorers didn’t quite make it to space – but they lived to tell the tale!

Tom’s just finished sewing a quilt! It’s made of lots of equal-sized squares of fabric sewn together. Currently, it’s 12 squares long and six squares wide. Tom tried putting the quilt on his bed, but it’s the wrong shape.

Have you ever wanted to experiment with the orbits of moons and planets? Time to make a gravity simulator!

Getting 5/5 in this quiz won’t guarantee you a Nobel, but it might give you a hint on how to get one!

If you want to write a secret message, we’ve got a simple technique for you to try. Time to work on your watermark!

Australia has six coins that are commonly used – 5 cents, 10 cents, 20 cents, 50 cents, $1 and $2. How many different ways can you make exactly 50 cents in Australian coins?

Feeling bright? This quiz has a couple of star questions that are bound to bend your brain.