 | Term | Definition |
| |
earth (shape) |
oblate spheroid (egg shape) |
| |
altitude |
height above the horizon |
| |
zenith |
point directly above the horizon |
| |
latitude |
degrees north and south of the equator |
| |
longitude |
lines that start at the prime meridian (east and west) |
| |
prime meridian |
runs through Greenwich, England |
| |
international date line |
other side of prime maridian |
| |
coordinate system |
grid pattern used to find the location of any place on earth |
| |
solar time |
the same as sun dial time |
| |
relief |
change in elevation on the earth's surface |
| |
model |
representation of some other object |
| |
contour lines |
lines that connect equal points of elevation |
| |
contour interval |
amount of feet per jump |
| |
lithosphere |
the relatively thin layer of solid rock that surrounds the earth |
| |
hydrosphere |
the liquid portion of the earth |
| |
atmosphere |
the layered shell of gases that surrounds the earth |
| |
isolines |
lines that connect points of equal value |
| |
isotherm |
lines that connect equal points of temperature |
| |
isobar |
lines that connect equal points of pressure |
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