Plate Tectonics
Soil and Watersheds
Earth's Atmosphere/Global Winds
Radiation, Climate, and Seasons
El Nino and La Nina
100

Theory that led to plate tectonics.

Continental Drift

100

The two primary forces that cause soil erosion

Wind and Water

100

The "good" type of this gas is found in the stratosphere

Ozone

100

Amount of solar radiation absorbed at Earth's surface

50%

100

It is characterized by weaker easterly winds and a warmer western Pacific Ocean. 

El Nino

200

Plate boundary where plates spread apart

Divergent

200

The lowest soil layer that consists of solid rock

Bedrock

200

The wind belt that lies between 0-30 degrees latitude

Easterlies

200

The sun's intensity is greatest at this location

where it's rays are directly overhead (vertical)

200

In a normal year, ocean water along South America's west coast is ___________.

cold

300

Plate boundary involving lateral sliding and producing earthquakes.

Transform

300

Two impacts of human activities on watersheds.

Destruction of habitat, introduction of pollutants, increase in flooding, decrease in biodiversity

300

The initial cause of wind

differences in heating

300

Because they heat and cool more slowly than land, they moderate the climate.

large bodies of water

300

During a La NiƱa, the surface of the ___________ Ocean near the equator to become unusually cold.

Pacific

400

Plate boundary where subduction occurs and Earth's crust is destroyed

Convergent

400

Three main particles that make up soil

Sand, silt, and clay

400

The ____________ effect contributes to the circular motion of wind.

Coriolis

400

The Northern Hemisphere is tilted toward the sun during this season.

Summer

400

During a La Nina, summers in China are expected to be __________ than usual. 

colder

500

The force that causes rocks to bend and faults to form

Stress

500

Water within an area that drains into a central waterway

Watershed

500

The atmospheric layer where the Aurora Borealis occurs

Thermosphere

500

Incoming solar radiation is received by the earth's surface in the form of ________ wavelengths.

short

500

During an El Nino year, conditions in the Southern U.S. are __________ than usual.

wetter

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