Atmosphere and ocean in a tank video

A short video clip is now available for this activity - High flow, low flow?: atmosphere and ocean in a tank - hot, cold and particle- filled density currents as they flow in the atmosphere and ocean.
Can you predict what the hot, red coloured current will do? How will the cold, blue-coloured current and the white, particle-filled density current behave?
This is an easy activity to set up and it can be used to introduce or reinforce understanding of atmospheric and/or ocean processes or, if used interactively, it is an effective way of developing thinking skills.

Grinding and gouging

How can moving ice grind rocks away? Find out by trying our latest Earthlearningidea. How can ice make scratch marks on rocks? This photo shows a valley in Norway which was carved by ice. How could this possibly have happened?
Please send us your thoughts and comments about this activity

Become a fossil hunter and dig up a dinosaur

Have you tried this Earthlearningidea - Dig up the dinosaur? How does a scientist set about digging up a large fossil, like a dinosaur? How can scientists ensure that they obtain maximum evidence from their discoveries and do not accidentally destroy vital clues? Find out with this activity.

The Himalayas in 30 seconds

This is a very popular Earthlearningidea. We have added a further extension idea using plaster of Paris instead of flour. Please let us know how you get on.

Photos of 'Quake shake - will my home collapse?'

A pupil in a rural school in Tamil Nadu, India, trying out this Earthlearningidea.
Click here to see more photos

Continuing our Darwin theme - -

This is Jothi showing teachers how to set up a wormery in order to carry out Earthlearningidea 'Darwin's big soil idea'. The teachers are taking part in an In-Service training programme in Theni district, organised by Jayaraj Annapackiam College for Women, Periyakulam, India, sponsored by Tamil Nadu State Council for Science and Technology, Chennai, India.
Have you tried this activity yet? Let us know how your worms are doing. It took 15 days in the UK for them to completely destroy the original layers in the wormery we gave them - click here to see what they did.

Charles Darwin's 200th birthday - 12th February

To celebrate Charles Darwin's 200th birthday this week, we have published our Earthlearningidea 'A time-line in your own backyard'. We have also added some extension ideas to the original activity. Do please look at these and let us know what you think.
How do you teach this topic in your school? Is your idea better than ours?