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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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Special delivery! Robotic helper for baby coral News

by David, 8 November 2018 | 0 comments

Image of two small robots releasing a cloud of coral polyps over a dead area of reef.

The Great Barrier Reef has had a rough time. Rising temperatures , storms and attacks from crown of thorn starfish are among the problems damaging the reef. This year, scientists are aiming to supercharge its recovery with a new robotic helper.

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From concrete to cochlear implants – a quick quiz Quiz

by David, 7 November 2018 | 0 comments

Black lightning bolt in purple circle

This week’s quiz tests all kinds of knowledge from common construction materials to Australian inventions. Can you get 5/5? If you’re after more fun science for kids, subscribe to Double Helix magazine!  

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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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