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Physical sciences posts

Mixed bag – a quick quiz Quiz

by Jasmine, 12 September 2018 | 0 comments

Black lightning bolt in purple circle

There’s something for everyone in our mixed bag. Try this fun mix of questions from across the sciences.

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Taking it to the extreme – quick quiz Quiz

by Jasmine, 28 August 2018 | 6 comments

Black lightning bolt in purple circle

It’s time to push the limits! Can you take it to the maximum and get a high score?

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A whole lot of holes – quick quiz Quiz

by David, 15 August 2018 | 0 comments

Black lightning bolt in purple circle

Wholly for your enjoyment, we’ve included several hole-related questions in this quiz. Don’t peek at the answers, or your victory might seem …. hollow!

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Have a heart (or several?) – a quick quiz Quiz

by David, 18 July 2018 | 0 comments

Black lightning bolt in purple circle

We’re counting on you this Double Helix quiz, or perhaps you’re the one counting! Can you calculate what’s needed to get 100% this week? If you’re after more fun science for kids, subscribe to Double Helix magazine!  

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Finding the coldest place on Earth News

by David, 5 July 2018 | 0 comments

Image of buildings in a flat icy landscape.

It’s the middle of winter in our part of the world. And if you live in southern parts of Australia, you might think it’s a bit chilly. But there are places on Earth that are much colder. New research has found places in Antarctica colder than we have ever measured before!

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Faintest touch, lightest force News

by David, 10 May 2018 | 0 comments

Image of the force detector, a metal box with electrodes either end, a lens. Red and orange illustrate the movement of the atom when force is applied.

What’s the faintest touch you can feel? A feather on the back of your hand, a whispered breath in your ear? Scientists from CSIRO and Griffith University just built a device that feels much lighter touches – in fact, it’s the most sensitive force detector on the planet!

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Balloon bus Activity

by David, 22 March 2018 | 2 comments

Photo of a man sitting on a bus holding a red balloon on a string.

When you’re on a bus, corners can push you sideways. But what does it do to a balloon? Grab a balloon and get on board to learn a thing or two about inertia.

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A hole in the heart of Egypt’s greatest pyramid News

by David, 12 January 2018 | 0 comments

Image of a pyramid with tiny people in the foreground.

Built more than 4500 years ago, you’d think there was nothing left to discover inside Cairo’s Great Pyramid of Giza. Think again. Scientists have recently discovered a new chamber deep in the heart of the tomb, all with the help of starlight.

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What’s Fahrenheit? Activity

by David, 15 August 2017 | 0 comments

A thermometer with both Celsius and Fahrenheit measurements.

Do you have friends from the United States? Have you ever found a recipe on the internet with ridiculously high oven temperatures? Do you have a grandparent (or great grandparent) who doesn’t like the ‘new’ way of measuring temperatures? You might need our quick guide to the Fahrenheit scale.

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Green eggs Activity

by David, 13 April 2017 | 0 comments

An egg with a green yolk in a bowl

Time for an Easter trick! There are lots of eggs around at this time of year, but this one is sure to raise some eyebrows. And when you’re finished, you can get your parents to help you cook your green egg, so you can gross out your entire family! Safety: Use clean equipment when handling food….

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