2.1: Earth's Surface
Forces that create landforms
What is Constructive?
A line connecting two different locations has
What is Direction?
The most accurate way to represent Earth's curved surface.
What is a Globe?
A line of equal elevation
What are Contour Lines?
A small object that orbits a larger object.
What is a Satellite?
Large land areas extending from high mountaintops to sea level.
What are continents?
A device used to determine direction using Earth's magnetic field
What is a compass?
2-dimensional (2D) representations of a 3-dimensional (3D) Earth.
What is a Map?
The difference in elevation between each contour line on a topographical map
What are contour intervals?
Use exact geographic locations from GPS receivers along with any type of spatial information to create maps and images
What are Geographic Information Systems (GIS)?
Weathering and Erosion and Volcanic Explosions are examples of
What are Destructive Forces?
0 degrees Longitude
What is the Prime Meridian?
A map projection based on the Earth as an unrolled cylinder shape. Highly distorted at the poles.
What is Mecator Projection?
How to tell a steep slope on a topographical map
What are closely spaced contour lines?
When an object takes 24 hours to complete one orbit around Earth
What is Geostationary Orbit?
Where the continents extend down to the ocean floor
What are continental margins?
The average height of the ocean’s surface or the midpoint between high and low tide
What is Sea Level?
Use color to show elevations of larger areas
What is a Relief Map?
A topographical map that shows depths below sea level
What is a Bathymetric map?
GPS
What is the Global Positioning System?
Ocean basin rocks are all younger than
What is 180 million years?
The number of degrees the Magnetic North Pole is offset from the True North Pole?
What is 11.5 degrees?
Map projection used by the National Geographic Society
What is the Winkel Trepel Projection?
A map showing rock units, and structural features, such as faults.
What is a Geologic Map?
NASA
What is the National Aeronautics and Space Administration?