Earth Science Midterm: Topographer Unit
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Created by:
scooter59116 on January 25, 2011
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13 terms
Terms | Definitions |
|---|---|
 What is the true shape of the earth? | an oblate spheroid |
| What is the best model of the earth's shape? | a sphere |
| What do you need to determine the earth's circumference? | The altitude of the sun at two locations and the distance between those locations. [Eratosthenes] |
| What does the altitude of Polaris equal? | Your latitude.[Northern Hemisphere] |
| What is Longitude based on? | Observations of the sun |
| What directions do Longitude lines go? | North-->South (Prime Meridian=0* Long.-through Greenwich England) |
| What directions do Latitude lines go? | East-->West (Equator= 0Lat., Poled= 90Lat.) |
| What is the maximum Latitude and the maximum Longitude? | Lat.=90* Long.=180* |
| What id in the Atmosphere? | gasses |
| What is in the Hydrosphere? | water |
| What is in the Lithosphere? | roch [crust] |
| What do Isolines do? | they connect points of equal value.[Isotherms, Isobars, Contour Lines] |
| What do closer isolines mean? (think hockey arena steps on 300 level) | steeper gradiant |
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