Definitions
What is topography?
The shape of the land can be described in terms of elevation, relief, and landforms.
What is a natural stream of water that flows into another body of water, such as an ocean, a lake, or another river?
River
V-shaped contour lines pointing toward a summit indicates a(an) _______________
valley
What does GIS stand for?
Geographic Information System
What does GPS stand for?
Global Positioning System
What are features such as coastlines, dunes, and mountains?
Landforms
What is delta?
When the sediment builds up, it makes a landform.
Flat areas or areas with gradual slopes
What is the definition of GIS?
Is a system of computer hardware and software used to produce interactive maps.
What is GPS?
Is a navigational system that uses satellite signals to fix the location of a radio receiver on Earth.
What is mountain?
The landform has both high elevation and high relief.
Who determines the distances and elevations using instruments and principles of geometry?
Mapmakers
What does every 5th contour line represent?
Index contour lines
What is it called of the different types of information stored in a GIS?
Data Layers
How many orbiting satellites continuously send their current location and time to a GPS receiver and Earth?
24
What is the boundary between the land and the ocean or a lake?
What has high elevation and low relief?
Plateaus
When the contour lines are closer together, that represents what on the map?
Steep slopes
Name all 4 data layers
How many satellites does it determine a location on user's receiver?
3
What is a dune?
Hill of sand piled up by the wind.
What plain lies along a seacoast?
Topographic maps have ___________ to show elevation, relief, and slope.
Contour lines
How does data layers help scientists and city planners?
How does GPS help us?
GPS helps anyone with a receiver locate their position anywhere on or above Earth.