1
Imaginary circles which are perpendicular to meridians
2
Distance, measured in degrees, from any place on Earth to the Greenwich meridian
3
Imaginary semicircle which goes from one pole to the other
4
Distance, measured in degrees, from any place on Earth to the Equator
5
Instrument with a magnetic needle which always points north
6
Difference between the size of something in the real world and its size on a map
7
Sphere slightly flattened at the poles
8
A box with the symbols which represent information on a map
