1. LEQ: What new technologies will I be using in our study of watersheds? Key Terms: GPS GIS Key Terms: GPS GIS

2. GPS G (global) P (positioning) S (system) G (global) P (positioning) S (system) Developed by the military. Developed by the military. Uses a network of 24 satellites that transmit precise signals to the earth. Uses a network of 24 satellites that transmit precise signals to the earth. Signals are received on Earth by GPS receivers. Signals are received on Earth by GPS receivers. A GPS receiver must receive signals from at least 3 satellites. A GPS receiver must receive signals from at least 3 satellites. Enables a GPS receiver to determine its exact location, speed/direction, elevation, and time. Enables a GPS receiver to determine its exact location, speed/direction, elevation, and time. GPS has become widely used in many different applications: GPS has become widely used in many different applications: Aid in navigation. Aid in navigation. Useful tool for map making. Useful tool for map making. Land surveying Land surveying Commerce. Commerce. Scientific Uses. Scientific Uses.

3. How Does GPS Work? GPS Animation GPS Animation GPS Animation GPS Animation GPS Video Tutorial GPS Video Tutorial GPS Video Tutorial GPS Video Tutorial

4. G (global) P (positioning) S (system) G (global) P (positioning) S (system) Uses satellite and GPS receiver technology. Uses satellite and GPS receiver technology. The system is used to accurately determine any position (latitude and longitude) on Earth’s surface. The system is used to accurately determine any position (latitude and longitude) on Earth’s surface. GPS receivers receive signals from GPS satellites. GPS receivers receive signals from GPS satellites. The receiver must receive signals from at least 3 different satellites to accurately determine the location on Earth’s Surface. The receiver must receive signals from at least 3 different satellites to accurately determine the location on Earth’s Surface. GPS Review

5. GIS G (geographic) I (information) S (system). G (geographic) I (information) S (system). Is powerful computer software. Is powerful computer software. Creates maps. Creates maps. Maps are of the same area, but have different themes (i.e. elevation, land cover, etc) which are called layers. Maps are of the same area, but have different themes (i.e. elevation, land cover, etc) which are called layers. Maps are then layered to show relationships between themes. Maps are then layered to show relationships between themes. GIS is used in many different fields: GIS is used in many different fields: Scientific Investigations. Scientific Investigations. Resource management. Resource management. Urban planning Urban planning Logistics. Logistics.

6. How Does GIS Work? GIS Tutorial GIS Tutorial GIS For Kids GIS For Kids

7. GIS and GPS Video Review When you click on the black square below, the video will open in full screen mode. After viewing the video, you have completed the power point. When you click on the black square below, the video will open in full screen mode. After viewing the video, you have completed the power point.