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.
Freebase(0.00 / 0 votes)Rate this definition: Nu, is the 13th letter of the Greek alphabet. In the system of Greek numerals it has a value of 50. It is derived from the Phoenician letter nun .