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Posts by David

Bubbling bells Activity

by David, 13 December 2018 | 0 comments

Small metal bells in a glass of fizzy water

Written by Elvina Lee What’s the festive season without bells? Here’s an activity you can do, without the headache of excess jingling!

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This code’s for oldies Brainteaser

by David, 12 December 2018 | 0 comments

Brain icon

If you’re sitting there twiddling your thumbs, see if you can decode this message. If you need a hint, you can always phone a friend! 3666882255533 443355544499 339987772

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How to fly without moving News

by David, 6 December 2018 | 0 comments

Futuristic glider plane with blue wings.

If you want to fly, you’ve got to move, right? Birds flap, propellers whirr, and if you’ve ever watched the spiral painted on the middle of a jet engine, you’ll know they spin too. But recently, researchers from Massachusetts Institute of Technology in the United States created a plane with no moving parts at all….

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The toughest challenge – a quick quiz Quiz

by David, 5 December 2018 | 3 comments

Black lightning bolt in purple circle

This time you’re up against our hardest quiz yet! If you get even one question right, we think you have fantastic science knowledge. If you answer all five questions correctly? You’re a quiz whiz. Let us know in the comments below! If you’re after more fun science for kids, subscribe to Double Helix magazine!  

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Water balancing trick Activity

by David, 29 November 2018 | 0 comments

A five cent coin with a convex drop of blue water covering the surface.

Here’s a balancing game, but with a bit of practice you will always win! Why? Because you’ve set up a clever trick.

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Number cruncher Brainteaser

by David, 28 November 2018 | 1 comments

Brain icon

I have four different whole numbers written on a piece of paper. The largest number is four bigger than the smallest. The middle two numbers are even. If I add all four numbers together, I get 12. What are my numbers?

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Many mosquitoes – a quick quiz Quiz

by David, 22 November 2018 | 2 comments

Black lightning bolt in purple circle

This quiz has two questions about tiny bloodsuckers that are bound to make your skin itch! But don’t stop there. Can you get all five questions right? If you’re after more fun science for kids, subscribe to Double Helix magazine!  

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Revealed! The secret to wombats’ cube poo News

by David, 21 November 2018 | 0 comments

Picture of a wombat.

A walk in the Australian bush can occasionally reveal piles of strange, cube-shaped poo, carefully balanced on top of rocks. Although it might seem like a prank, they’re perfectly natural. Chances are, this cube poo has been ejected from a wombat’s rear end.

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From silly straw to annoying instrument Activity

by David, 15 November 2018 | 0 comments

A man blowing into a straw.

Do you get annoyed when you get a plastic straw with your drink? Instead of throwing it out, take it home and use it to make a musical instrument!

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Half past angle Brainteaser

by David, 14 November 2018 | 0 comments

Brain icon

At half-past three, what is the angle between the hands of a clock? Scroll down for the answer!     Brainteaser answer First, a quick estimate. The short hand points across to the three, and the long hand points straight down to the 6. The angle is about 90 degrees, but there’s a more accurate…

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