Tectonics
The boundary where plates move apart
Divergent boundary
The three soil particle sizes
Sand, silt, and clay
The layer where weather occurs
Troposphere
The periodic cooling of Pacific waters opposite El Nino
La nina
The largest reservoir of freshwater on Earth
Glaciers
The process that pulls oceanic crust under continental crust
The process that removes topsoil by wind and water
Erosion
The layer containing the ozone layer
Stratosphere
The warming of Pacific waters that alters global weather
El nino
Land area that drains into a river system
Watershed
The boundary where plates overlap each other
Convergent boundary
The property that determines how fast water drains
Permeability
The two gases that make up over 99% of the atmosphere
Nitrogen and oxygen
The boundary where two air masses meet
Front
The sinking of land from groundwater overuse
Subsidience
The force that drives plate movement in the mantle
Convection currents
The soil horizon containing most organic matter
A horizon
The boundary between the troposphere and stratosphere
Tropopause
The effect that causes winds to curve due to Earth’s rotation
Coriolis effect
When precipitation infiltrates the ground
Groundwater recharge
The earth layer made of crust and upper mantle
Lithosphere
The ideal soil mixture
Loam
The atmospheric layer with the highest temperatures
Thermosphere
The rising and sinking air circulation between 0 and 30 degrees
Hadley cells
The movement of water from plant leaves into the atmosphere
Transpiration