Try our latest Earth Learning Idea - ´Electrical ground probing´. In this activity pupils learn how to measure the electrical resistance of the ground to find buried objects. They are probably aware of the principle of using geophysical methods to locate objects and structures buried below ground; the methods are often called ´geophys´ on television programmes. This is a clever laboratory domonstration of one remote sensing method.This is one of many activities in the ´Investigating the Earth´ category.
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