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.
Nubia is a region along the Nile rivers encompassing the areas between what is today central Sudan and southern Egypt. It was the seat of one of the earliest civilizations of ancient Africa, with a history that can be traced from at least 2000 BC onward, and was home to one of the African empires. There were a number of large Nubian kingdoms throughout the Postclassical Era, the last of which collapsed in 1504, when Nubia became divided between Egypt and the Sennar sultanate, resulting in the Ar