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Geography Chapter 2
Earth's Physical Geography
Term | Definition |
---|---|
orbit | the path one body makes as it circles the around another |
revolution | circular motion |
axis | an imaginary line through Earth between the North and South poles around which earth turns |
rotation | complete turn |
core | the sphere of very hot metal at the center of Earth |
mantle | the thick layer around Earth's core |
magma | soft, nearly molten rock |
plate | a huge block of Earth's crust |
erosion | the removal of small pieces of rock by water, ice, or wind |
weather | the condition of the air |
precipitation | water that falls to the ground as rain, sleet, hail, or snow |
temperature | how hot or cold the air is |
climate | the average weather over many years |
tropical cyclone | an intense wind and rain storm that forms over oceans in the tropics |
tundra | an area of cold climate and low-lying vegetation |
canopy | the layer formed by the uppermost branches of rain forest |
savanna | a park like combination of grasslands and scattered trees |
desert scrub | desert vegetation that needs little water |
deciduous trees | trees that lose their leaves seasonally |
confiferous trees | trees that produce cones to carry seeds |