Altitude

The distance above sea level

Atmosphere

The layer of gas surrounding a planet that is held in place by gravity.

Atmospheric Circulation

The large-scale movement of air around Earth

Climate

Average weather patterns for a particular region

Coriolis Effect

The apparent deflection of moving air, as seen by an observer on Earth, as a result of Earth's rotation.

Latitude

Geographic coordinate that specifies the north-south position of a point on Earth's surface.

Ocean Currents

Directional movements of ocean water; surface currents result from steady winds over the ocean surface; deep currents result from density variations due to temperature and salinity differences.

Regional Geography

The study of specific regions of Earth.

Rotation

The spinning of Earth on its axis that causes day and night to occur.

Weather

The day-to-day state of the atmosphere.