Maps and Globes

Elevation - the height above sea level
GPS unit or GPS device - an electronic device that can determine your approximate
location on the planet; GPS stands for Geographic Positioning System
Geocaching - an entertaining adventure game for GPS users, using longitude and
latitude to find a hidden treasure
Key or Legend - a list of the symbols on a map or chart
Landsat - satellite photograph of the Earth’s surface
Map - a graphic representation of the
surface of the Earth
Planimetric map - a map that does not
show elevation changes; usually used as a
road map
Scale - used for measuring distances on a
map
Topographic map - a detailed map which
uses wavy lines to show differences in
elevation; used by hikers