Model's of the Earth
The actual shape of the Earth
What is an oblate spheroid
This relates distance on a map to distance on Earth's surface and is expressed as a ratio
What is map scale
The height above sea level on a point on Earth's surface
What is elevation
What is 24 hours
The starting line for measuring latitude
The equator
These dark lines on a topographic map occur in specific intervals
What is contour index
Measures how far north or south you are of equator
What is latitude
There are this many time zones on Earth
What is 24
Degrees are divided into these smaller units, minutes and
Seconds
The size and shape of landmasses at the poles is very distorted on this type of map
What is a Mercator projection
On a topographic map, this indicates a steep slope
What is contour lines spaced close together
Change in field value/distance
What is gradient
There are this many degrees per time zone
What is 15 degrees
The number of kilometers between a degree of latitude
111 km
Contour lines, when crossing a river always point in this direction
What is upstream
This shows an exact elevation point on a topographic map
What is benchmark
Connects points of equal elevation
What is contour line
When it is 1 am in NY City, it is this time in San Fransisco
What is 10 am
A student measures Polaris to have an altitude of 90. The student is currently
What is at the North Pole
A method of finding latitude, longitude, and elevation of points on Earth's surface by using a multitude of satellites
What is Global Positioning System
A closed loop with lines on the inside (hatchure marks) represents this feature
What is a depression
The difference in elevation between two consecutive contour lines
What is contour interval
If it is Thursday, October 18 and you cross the international dateline going east, it is this day
What is Friday
A sailor measures the altitude of Polaris to be 20 degrees. The sailor is able to determine this from his measurements
What is is Latitude in the Northern Hemisphere