Frozen magnetism - ELI+

This latest Earthlearningidea 'Frozen magnetism; preserving evidence of a past magnetic field in wax' is our latest ELI+ activity. It is a demonstration of how the evidence for the magnetic field around a bar magnet may be preserved, even after the magnet has been removed. This gives an analogy for the three-dimensional magnetic field of the Earth, with a North and a South Pole, but not for the origin of the Earth's magnetic field.
There are lots more free activities for you to download on our website.

Earthlearningidea in Mandarin

This is to let you know that the link to Earthlearningidea translations into Mandarin in now up and running again. Many thanks to all who have worked so hard to make this happen.

Geobattleships

Do earthquakes and volcanoes coincide? Try our latest Earthlearningidea 'Geobattleships' to find out. This activity uses a children's game to match the distribution of volcanoes and earthquakes on the Earth's surface.
There are lots of activities about earthquakes and volcanoes on our website. Use the Keyword Index to find them.

Is the mantle solid or liquid?

Mantle - solid or liquid? Some text books say it is liquid but seismic transverse (S) body waves pass through it so - - - - -
Click here to find out.