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Earth and space sciences posts

Too many positrons News

by Pat, 19 April 2013 | 0 comments

Image of a supernova remnant taken by the Hubble Space Telescope

You might not feel it, but it’s always raining – not raindrops, but cosmic rays. These high-energy particles from outer space could contain clues to some of the mysteries of the Universe.

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Changing seasons News

by Pat, 5 April 2013 | 0 comments

Autumn leaves.

Wherever you are in the world, you may have noticed a change in the weather. Over the course of a year, there are periodic changes in things like temperature, rainfall and the amount of daylight. These changes allow us to divide the year into seasons.

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Egg geodes Activity

by Jasmine, 26 March 2013 | 4 comments

Crystals forming inside egg shells.

Written by Deb Hodgkin Looking for a fun and colourful science activity to do? Try making these egg geodes!

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Origin of diamonds News

by Pat, 22 March 2013 | 0 comments

A rock containing a diamond.

Diamonds hold a special place in our imagination: they’re valuable, extremely hard, and sometimes just really pretty. Chemically speaking, diamonds are simple – they’re carbon. Carbon is an important element. All living things are made of compounds that contain carbon. One property of carbon is its ability to form allotropes. Allotropes contain the same element,…

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Pancake peaks Activity

by Pat, 20 March 2013 | 0 comments

Pancakes with ice cream and blueberries.

Here’s a tasty way to think about tectonics! Learn where many mountains come from, and at the same time, make yourself a delicious pancake breakfast.

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Falling from the sky News

by Pat, 21 February 2013 | 0 comments

Satellite image showing the vapour trail.

A meteor caused quite a stir near Chelyabinsk in central Russia last week. While countless tiny meteors fly across Earth’s sky every day, this particular ‘shooting star’ was much more spectacular – video footage of the event shows a fireball streaking across the sky before exploding.

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Roman ruins News

by Jasmine, 25 January 2013 | 1 comments

Thermal baths in Bath, England.

Written by Sarah Kellett Natural hot springs in England were considered by the Ancient Romans to be a gift from the gods. Their real source is water journeying thousands of years underground.

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Bushfire season News

by Pat, 18 January 2013 | 3 comments

Satellite image showing smoke from bushfires over south-eastern Australia.

Last week in Science by Email we looked at the heatwave that has affected much of Australia. In this country, where heatwaves go, bushfires often follow.

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Summer scorcher News

by Pat, 11 January 2013 | 0 comments

Fire burning through grassland.

In Australia, the year is off to a sizzling start. Much of the continent has been sweltering under a record-breaking heatwave. Let’s look at what’s causing these extreme temperatures.

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Liquefaction Activity

by Pat, 11 January 2013 | 0 comments

Brick standing on its end in a container of sand.

Although sand is a solid, did you know it can behave like a liquid? Find out how by trying this activity.

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