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earthquakes posts

Quakes on the Moon News

by David, 20 June 2019 | 0 comments

Earth is active down to its very rocks. Earthquakes and volcanoes shake our planet, and the continents themselves drift lazily across the surface. Compared to Earth, the Moon is a cold, hard rock. But even lunar rocks are more active than you might think.

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Earth’s heart is like solid gold News

by David, 25 October 2018 | 0 comments

Image of half a sphere with three central glowing layers. The inner core being the brightest.

You might not think about it much, but there’s an amazing planet under your feet. Dig down about 50 kilometres and the rocky crust begins to give way to the hot, soft mantle. Deeper down, the rocks get hotter and runnier, reaching temperatures of thousands of degrees. At the very centre, there’s a solid core…

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As fast as the speed of light – a quick quiz Quiz

by David, 1 August 2018 | 1 comments

Black lightning bolt in purple circle

How fast can you answer this week’s questions? Put yourself to the test with another Double Helix quiz.

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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…

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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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