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.
Raspbian is a free operating system based on Debian optimized for the Raspberry Pi hardware. An operating system is the set of basic programs and utilities that make your Raspberry Pi run.However, Raspbian provides more than a pure OS: it comes with over 35,000 packages, pre-compiled software bundled in a nice format for easy installation on your Raspberry Pi.owever, Raspbian is still under active development with an emphasis on improving the stability and performance of as many Debian packages as possible. Note: Raspbian is not affiliated with the Raspberry Pi Foundation.