Ch. 1 Flashcards
A thin, gaseous veil surrounding Earth, held to the planet by the force of gravity.
Atmosphere
Earth’s waters exist in the atmosphere, on the surface, and in the crust near the surface. Collectively, these waters for the…
Hydrosphere
The portion of the hydrosphere that is frozen is the…
Cryosphere
Ice sheets, ice caps and fields, glaciers, ice shelves, sea ice, and subsurface ground ice.
Cryoshere
Water occurs in 2 general chemical conditions. What are they?
Fresh and saline (salty)
An angular distance north or south of the equator, measured from the center of Earth is called what?
Latitude
A line connecting all points along the same latitudinal angel is called what?
Parallel
What are “lower latitudes”?
They are closer to the equator.
What are “higher latitudes”?
They are clo.ser to the poles
An angular distance east or west of a point on Earth’s surface, measured from the center of Earth is called what?
Longitude
A line connecting all points along the same longitude is called a…?
Meridian
Longitude is the name of the angle, meridian names the line, and both indicate distance east or west of an arbitrary…
prime meridian
What is a primer meridian?
A meridian designated as 0 degrees
Earth’s prime meridian passes through where?
Passes through the old Royal Observatory at Greenwich, England, as set by an 1884 treaty. This is the Greenwich prime meridian.
East longitude is a positive or negative value?
Positive
