Earth as a system
 Atmosphere and ocean in a tank: High flow, low flow?
Earth energy / processes
Plate Tectonics
Wegener’s ‘Continental drift’ meets Wilson’s ‘Plate tectonics’
Continental split - the opening of the Atlantic Ocean.
Plotting the movement of continents using apparent polar wandering curves
Transform faults
Folding and faulting
Himalayas in 30 seconds!
Banana benders
Deformed trilobites
Valley in 30 seconds - pulling rocks apart
Metamorphism
Metamorphism - that’s Greek for ‘change of shape’ isn’t it? (16+)
Sedimentary processes
Weathering limestone - with my own breath! (Catalan)
Grinding and gouging; how moving ice can grind away rocks (Portuguese)
Sedimentary structures
How symmetrical ripple marks form in sand
How asymmetrical ripple marks form in sand
Earth in Space
Craters on the Moon (Portuguese)
Earth materials
Darwin’s ‘big soil idea’
Evolution of life
Curious creatures - Cambrian explosion song
Become a fossil hunter and dig up a dinosaur
Mary Anning Animation by Anna Humphries, BBC website
Shell shake - why is the fossil record incomplete?
History of Life on Earth in 60 seconds
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Geological time
Radioactive dating of rocks and minerals
Investigating the Earth
Darwin’s ‘big coral atoll idea’
Using an orange to model different densities of the Earth’s layers (Portuguese)
When will it blow? - predicting eruptions
Slinky seismic waves demo (Catalan)
Natural hazards
Volcanoes
Eruption of Kalapana, Hawaii
Blow up your own volcano!
Earthquakes
Quake shake -why some buildings survive and others do not
Modelling how earthquake waves amplify and devastate, depending on local geology
Spaghetti quakes; why are big earthquakes so much more destructive than small ones? (Catalan)
Surviving an earthquake
Tsunamis
What controls the speed of a tsunami wave?
Landslides
Landslide through the window (Norway)
Sink holes
Sink holes (Catalan)
Resources and Environment
Why does soil get washed away?
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