Weather Related
A boundary where unlike air masses meet but do not mix.
Front
The process by which molecules at the surface of a liquid absorb enough energy to change into a gas.
Evaporation
The portion of the hydrosphere that is frozen, including all ice and snow on land, plus sea and lake ice
cryosphere
A huge group of single stars, star systems, star clusters, dust, and gas bound together by gravity.
Galaxy
The distance between two corresponding parts of a wave, such as the distance between two crests.
Wavelength
A huge body of air that has similar temperature, humidity, and air pressure at any given height.
Air Mass
The process by which water is lost through a plant's leaves
Transpiration
The densest part of Earth that include the crust, mantle, and core
Geosphere
A large cloud of gas and dust in space
Nebula
The range of wavelengths of electromagnetic waves
Spectrum
Band of high-speed winds about 10 kilometers above Earth’s surface.
Jet Stream
The land area that supplies water to a river system
Watershed
The relatively thin layer of gases that forms Earth's outer most layer
A contracting cloud of of gas and dust with enough mass to form a star.
Protostar
The energy transferred through space by electromagnetic waves
Electromagnetic Radiation
The temperature at which condensation begins
Dew Point
An underground layer of rock or sediment that holds water.
Aquifer
A landform made of sediment that is deposited where a river flows into an ocean or lake.
Delta
A unit of distance equal to the average distance between Earth and the sun- about 150,000,000 km.
Astronomical Unit
The ability to do work or cause change
Energy
The amount of water vapor in a given volume of air.
Humidity
Elevation above sea level
Altitude
The shape of the land determined by elevation and, relief, and landforms
Topography
The brightness a star would have if it were a standard distance from Earth.
Absolute Brightness
A process in which mapmakers determine distances and elevations using instruments and the principles of geometry.
Surveying