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Posts by David

Drop jump Activity

by David, 17 October 2019 | 2 comments

Two matcch box drawers side by side with a ten cent coin in the upper drawer.

Drop the ruler, watch for the jump… that’s the point of drop jump! Can you work out which matchbox tray the coin will fall into?

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Spin and flip brainteaser Brainteaser

by David, 16 October 2019 | 2 comments

Brain icon

Difficulty: Tricky I’ve got a square piece of paper, with lines for writing on both sides. Right now, the lines are running up and down the page. To get the lines running left and right, I could rotate the page, but that’s too boring. Can I do it by flipping the page instead?   Scroll…

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Pterosaur tears up ancient sky News

by David, 10 October 2019 | 0 comments

A pterosaur - a flying reptile from the age of the dinosaurs

It’s spring, and in many areas of Australia that means it’s magpie swooping season. But next time you’re ducking an angry bird, be thankful you live now and not 90 million years ago. Back then, the swooping might have come from something much larger.

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Raise the volume! – a quick quiz Quiz

by David, 9 October 2019 | 0 comments

Black lightning bolt in purple circle

This quiz we’re looking at volumes. Time to fill up on some science knowledge!

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Magnifying sound Activity

by David, 3 October 2019 | 0 comments

A man holdiing a pink baloon near his face and a phone at arms length.

A magnifying glass can bend light waves to make an object look bigger. Can you make a magnifying glass for sound waves too?

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Perimeter pickle Brainteaser

by David, 2 October 2019 | 0 comments

Brain icon

Difficulty: Tricky Imogen has had enough of her goats getting into her veggie patch. She’s bought wire and poles, but before she starts building, she must work out what shape fence she needs.

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Bugs are back, but where have they been? News

by David, 26 September 2019 | 0 comments

Brown moth with segmented, furry body.

By Andrea Wild and Bryan Lessard Insect populations boom during warmer and wetter months. But have you ever wondered where they go during winter?

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Still alive – a quick quiz Quiz

by David, 25 September 2019 | 4 comments

Black lightning bolt in purple circle

Deadly animals and extinct species – oh my! This week’s quiz is extreme. See if you can survive to the end and get full marks!

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Make a pi necklace Activity

by David, 19 September 2019 | 0 comments

Image of a person wearing a necklace

Written by Gabrielle Tramby and Rachel Fitzgerald In this activity, you’ll turn a number into a necklace.

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The Beauty Beneath – Underwater Sydney Book

by David, 12 September 2019 | 2 comments

seaweed and fish under the sea

Dip below the surface to discover the extraordinary plants and animals that call Sydney Harbour home.

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