Materials for Each Group. 1  9-volt battery. 2  2 wires with alligator clips on both ends. 3  2 pencils sharpened at both ends. 4  Water. 5  Salt. 6  Clear plastic cup. 7  Tape.
Nubian people The Nubians are an ethnic group originally from northern Sudan, and southern Egypt. The Nubian people in Sudan inhabit the region between Wadi Halfa in the north and Al Dabbah in the south.
Nubian. 1  a member of any of the various peoples inhabiting Nubia. 2  the Nilo-Saharan language of the Nubians. 3  a Nubian or black slave. 4  a Nubian horse. 5  of, relating to, or characteristic of Nubia, its people, or their language.