What's new

Making bricks on Mars News

by David, 25 May 2017 | 0 comments

An illustration of an underground Mars base.

If you’ve ever dreamed of living on Mars, you’ve probably realised you’ll need a place to live. That’s one reason to be excited about Martian brick research being conducted by scientists in the United States. Recently, a team showed that it’s actually quite easy to make bricks out of Mars dirt. But how did they…

Continue reading Making bricks on Mars

Mathematical treasure hunt Activity

by David, 16 May 2017 | 0 comments

a pearlescent shell

Maths is everywhere! But it can be hard to find if you don’t know what to look for. Try this mathematical treasure hunt and you’ll soon discover some amazing mathematical secrets! You will need Copy of the treasure hunt page you can get by clicking here Camera (optional) What to do

Continue reading Mathematical treasure hunt

Categories:

Hovering surprise for earthquake scientists News

by David, 12 May 2017 | 0 comments

A blue helicopter.

Iceland is a remote and beautiful island, brimming with volcanoes. Volcanic eruptions give the Earth an almighty shake, so it’s no surprise that Iceland has lots of earthquake measuring seismometers. But you might be surprised to find out what these instruments are picking up. Recently, a team of scientists placed several seismometers around an Icelandic…

Continue reading Hovering surprise for earthquake scientists

Thirteen cent coins Activity

by David, 2 May 2017 | 0 comments

small circles of paper with the numbers 1, 2, 5, 13, 29 and 64 written on them.

You’re probably familiar with 20 cent and 50 cent coins. But different countries have different values for their coins. So what’s the best way to number coins? You will need Australian silver coins: 5 x 50 cents 5 x 20 cents 5 x 10 cents 5 x 5 cents Pen and paper Scissors Stopwatch Setting…

Continue reading Thirteen cent coins

Categories:

Unchequer the board Activity

by David, 27 April 2017 | 0 comments

Someone is sliding a black counter on a grid

Here’s a quick sliding puzzle to get your brain pumping. See if you can separate the light and dark counters in as few moves as possible! You will need Pen and paper 8 dark counters 7 light counters Setting up

Continue reading Unchequer the board

Categories:

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….

Continue reading Green eggs

Microscope: Sleepy sunshine News

by David, 12 April 2017 | 0 comments

Double Helix magazine is looking for your science questions! Our Microscope column answers the thorniest science queries you can throw at us. Email us at helix.editor@csiro.au and you could have your question published. Here’s a sample question to get you thinking. Aisha Goshti asks: Why does the Sun makes you feel sleepy?

Continue reading Microscope: Sleepy sunshine

Scientific notation sprinkles Activity

by David, 7 April 2017 | 0 comments

In everyday life, most numbers we use are less than 1000. Sometimes scientists need to use MUCH larger numbers. Here’s an insight into how they do it. You will need Jar of hundreds and thousands sprinkles Measuring spoons and cup Pen Sticky notes What to do

Continue reading Scientific notation sprinkles

Categories:

The world welcomes four new elements News

by David, 30 March 2017 | 0 comments

Nihonium element 113, Moscovium element 115, Tennessine element 117, and Oganesson element 118

The periodic table doesn’t change very often, which is why it’s worth celebrating when it does. This month, three new elements were inaugurated at a ceremony in Russia. And in Tokyo, a fourth was welcomed to the world. Say hello to moscovium, tennessine, oganessson and nihonium! Let’s back up a bit: what is an element?…

Continue reading The world welcomes four new elements

Big square, tiny envelope Activity

by David, 20 March 2017 | 0 comments

Here’s a quick puzzle for you – this square is too wide for its envelope. Can you find a way to make it fit? You will need Two equal squares of paper Sticky tape Preparation

Continue reading Big square, tiny envelope

Categories: