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Posts by David

Leaning fire Activity

by David, 1 November 2018 | 2 comments

Image of a tealight in a small glass jar.

Water in a cup sloshes around if you don’t move it carefully. What about fire? Let’s find out! Safety: This activity involves fire, so ask an adult to help. Don’t do this activity during a fire ban. First aid: If you burn yourself, blow out the candle and run the burn under cold water for…

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A fish tank on the table Brainteaser

by David, 31 October 2018 | 1 comments

Brain icon

Jenny had a short, wide fish tank. She wanted to change the water, so she put the fish tank on a table and put a tall bucket on the floor right underneath. She was about to get a hose and siphon the water into the bucket, but before she started, she did some measuring. It…

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Earth’s heart is like solid gold News

by David, 25 October 2018 | 0 comments

Image of half a sphere with three central glowing layers. The inner core being the brightest.

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. At the very centre, there’s a solid core…

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Branching out – a quick quiz Quiz

by David, 24 October 2018 | 0 comments

Black lightning bolt in purple circle

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!  

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Cricket on The Dish! News

by David, 18 October 2018 | 0 comments

Several people playing cricket on The Dish.

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.

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Astronauts didn’t make it to space this time News

by David, 18 October 2018 | 0 comments

A rocket flying up into the sky

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!

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Tom’s quilt brainteaser Brainteaser

by David, 17 October 2018 | 0 comments

Brain icon

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. He’s decided to make it nine squares long and eight squares wide. Tom wants to break…

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Gravity well Activity

by David, 11 October 2018 | 0 comments

A hand placing a larger pink ball onto a piece of blue fabric which already has a small black ball on it.

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

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Not a Nobel – a quick quiz Quiz

by David, 10 October 2018 | 0 comments

Black lightning bolt in purple circle

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

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Make a watermark Activity

by David, 4 October 2018 | 0 comments

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

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