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Posts by David

Marbled thumbnail Activity

by David, 12 December 2012 | 0 comments

Child looking at their nail polish-covered thumb.

Have fun decorating your thumbnail while learning more about chemistry! Safety: This activity uses nail polish remover. Ask an adult to help.

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End of the world as we know it? News

by David, 7 December 2012 | 0 comments

On Wednesday, the Prime Minister of Australia, Julia Gillard, said the world was about to end. Check it out on YouTube.

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Counting gears Activity

by David, 4 December 2012 | 0 comments

Foam gears with numbers written on them

This crafty cog activity will get your mind spinning and help you learn more about how we count. Safety: This activity uses a craft knife. Ask an adult to help.

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Pizza brainteaser! Brainteaser

by David, 1 November 2012 | 3 comments

Pizza delivery man holding a pizza

Mario has a whole pizza that hasn’t been cut. He cuts the pizza in half, and then cuts each of those pieces in half to make four pieces. He then cuts all of those slices in half, and then those in half and so on.

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Why is A4 paper the size that it is? News

by David, 23 October 2012 | 4 comments

Coloured papers

Take a sheet of A4 paper and measure its sides. A4 is 210 millimetres wide and 297 millimetres long. It’s probably the most common size of paper and it’s used in most countries. However, A4 side lengths aren’t simple numbers like 200 or 300 millimetres. So why don’t we use something easier to measure?

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Mimic memory Activity

by David, 13 October 2012 | 0 comments

Butterflies

These mimic activities are about memory. To do them well, you need to remember exactly what you saw. Your brain makes memories in a few stages. Sensory memory describes what happens when you briefly see an object. It lasts just a split second, however.

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Everything in its right place News

by David, 9 October 2012 | 0 comments

Newroz Venn diagram

Do you own a dog? Do you ride a bike to school? Do you have black hair? Each of these questions divides people into two groups – you either have a dog, or you don’t.

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Finding the Higgs boson News

by David, 11 September 2012 | 0 comments

two pieces of scientific equipment, each with an explosion inside.

A few months ago, scientists from the Large Hadron Collider announced they had found a new particle, one that could be the Higgs boson. The Higgs particle is thought to have properties explaining how other particles have mass. But the first signs of this new particle were detected over a year ago.

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Solar spiral optimises power News

by David, 14 August 2012 | 0 comments

Sunflower

Imagine a flat spiral, similar to a snail’s shell, coming closer and closer to a point. Now imagine more spiral lines, all centred on the same point. This shape looks like the clouds over a cyclone, or a whirling galaxy.

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