With plastic graduated arc and base, waterproof.
In Stock
Showing upper level of an underground surface in which soil or rock is permanently saturated with water. The water table separates the underground water zone from the capillary fringe or zone of aeration.
Study the stars with your own planetarium!
A quality collection of minerals, in wooden box, with partitioned tray containing 30 specimens, each numbered and enclosed in transparent plastics bag. Specimens may be removed from bags for detailed examination. Each specimen is labelled also on the inside of the box lid, indicating the geological name.
Shows coastal and mountain terrain in natural colour relief & cross section diagram of the substance of a typical volcano. Complete with lesson plan, size 60×45 cm.