A map is designed to represent a variety of information. Some maps show where roads are located. Others show the location of tourist attractions or local landmarks. Other maps show weather patterns.
The objects on a map are indicated by …
How are maps used with GPS and GIS?
A Geographic Information System (GIS) takes the information gathered from Global Positioning System (GPS) units and organizes the information into maps. GIS maps are interactive. They allow you to see the map from different angles, to zoom in and out, …
What is a topographic map?
A topographic map shows the physical features of Earth. These features can be mountains, rivers, lakes, valleys, craters, and more. Man-made features such as roads may also be included.
In addition to physical features, a topographic map shows the …
How are GPS satellites powered?
The GPS satellites are mainly powered by solar energy, or energy from the sun. They do have backup batteries in case of a solar eclipse, and they each have small rocket boosters to keep them moving in the right direction.…