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Posts by David

Before the Jurassic – a quick quiz Quiz

by David, 20 June 2018 | 0 comments

Black lightning bolt in purple circle

It’s time for another round of science trivia. This week, we’ve got ancient questions about what happened before the Jurassic, and a puzzler about what meteoroids are.

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Shrinking plastic Activity

by David, 14 June 2018 | 2 comments

Image of a tiny giraffe held between someones fingers.

Have you ever wanted to draw really small pictures? Here’s a trick – you can just draw normal sized ones, and then use some special plastic to shrink them!

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Which bus? Brainteaser

by David, 13 June 2018 | 4 comments

Brain icon

I caught a bus the other day with a very interesting number.

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Don’t roast marshmallows in volcanoes News

by David, 7 June 2018 | 0 comments

Image of hot lava in the crater of a volcano.

It’s no secret that volcanoes are dangerous. The recent eruption of Guatemala’s Volcán de Fuego has taken more than 110 lives. In Hawaii, lava has covered roads, destroyed cars and set fire to buildings. So it may come as a surprise to hear that people are wondering if they can use volcanoes to toast their…

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Butterflies and big continents – a quick quiz Quiz

by David, 6 June 2018 | 0 comments

Black lightning bolt in purple circle

Time to test your scientific mettle. This week we’re asking questions about everything from tiny butterfly legs to huge continents. Good luck!

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Mapping the Moon Activity

by David, 31 May 2018 | 0 comments

Photograph of the face of the Moon

Pick a time to head outside at night and see if you can find these features on the face of the Moon.

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Lots of eights brainteaser Brainteaser

by David, 30 May 2018 | 0 comments

Brain icon

I want to find a number that is divisible by three. I also want all of its digits to be 8s. Does my number exist?

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Young engineer cleans windows and saves lives News

by David, 24 May 2018 | 0 comments

Photo of a young man with a screw driver, adjusting a machine.

If you hate cleaning windows, then do we have the invention for you! Sydney high school student Oliver Nicholls has developed a robotic window cleaner that has impressed the world. In fact, he just took out the top award at the Intel International Science and Engineering Fair (ISEF) in Pittsburgh in the United States!

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Hot stars and heavy air – a quick quiz Quiz

by David, 23 May 2018 | 0 comments

Black lightning bolt in purple circle

Ready to test your knowledge? In this quiz we’ve got a range of questions, about distant stars to the very air we breathe!

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Play Scopa Activity

by David, 17 May 2018 | 0 comments

Some playing cards

Here’s a traditional card game that’s bound to get your brain pumping. Being able to add up will help, but there’s plenty more to puzzle over!

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