Earth science out of doors The watery world of underground chemistry
Video 4 - Spring water
Video question script 
The watery world of underground chemistry
Video 1 - Tap water (or rainfall)
Video 2 - Soil water
Video 3 - Groundwater
Video 5 - Linking Earth’s spheres
Video 2 - Soil water
Video 3 - Groundwater
Video 5 - Linking Earth’s spheres
The present is the key to the past
Rock around your school
Stratigraphic principles
Urban fieldwork
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