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Ag Earth: Atmosphere

Atmosphere Study Guide

Means Heat. Layer with the highest Temperature. Thermosphere
Weather Layer Troposphere
The blanket of gases that surrounds our planet. An “ocean” of air hundreds of miles deep held in place by the earth’s gravity. Atmosphere
Highly Ionized layer of Air due to Sun's UV rays. Used to bounce radio waves. Ionosphere
Colorful displays of light in nighttime sky due to ionized particles interacting with atmosphere at the poles. Auroras
Means Middle. Coldest Layer. Mesosphere
Means Life. Lowest Layer of Atmosphere. Troposphere
Means Layers. Strong Steady Dry Winds. Contains Ozone Layer Stratosphere
Means Out. Outermost Layer. Exosphere
Layer of unstable oxygen molecules. (O3) Protects us from UV radiation. Ozone Layer
Three types of this. ___A, ___B, ___C. Ultraviolet Radiation
Avenues of high winds (250 mph) that flow in the lower stratosphere. Jet Stream
Total kinetic (Moving) energy of all the particles of a substance. Heat
A Measure of average kinetic energy. Temperature
Incoming Solar Radiation Insolation
Point where Earth is closest to the Sun Perihelion
Point where Earth is furthest from the Sun Aphelion
23.5 Degrees Earth's Tilt
June 21st- Longest Day of the Year Summer Solstice
December 21st-Shortest Day of the Year Winter Solstice
When both hemispheres get EQUAL amount of sunlight. 12 hours of day and 12 hours of night. Equinox
Heat from the sun and the earth's surface is absorbed by the CO2 and Water Vapor. Greenhouse Effect
Transfer of Energy through Space. Examples: UV, Visible Light, Infrared. Standing by a fire. Radiation
Transfer of energy in a liquid or gas through motion caused by differences in density. Warm Air Rises, cool air sinks. Marshmallow toasting above a fire. Convection.
Transfer of energy through collisions of atoms. Walking on hot coals. Grabbing a fire poker left in a fire too long. Conduction.
Temperature of a gas rises as it is compressed. Adiabatic Heating
Temperature of a gas drops as it is decompressed. Adiabatic Cooling
The pressure due to the weight of the atmosphere. Barometric Pressure
Atmospheric pressure at sea level 14.7psi
State of the Earth's atmosphere at a certain time and place. Weather
Scientist who studies weather. Meteorologist
The change of a substance from a liquid to a gas. Steam Evaporation
The change of a substance from a gas to a liquid. Dew Condensation
The change of a substance from a solid to a gas. Dry Ice Sublimation
The change of a substance from a gas to a solid. Frost Deposition
Movement of water from the sea into the air and then back to the sea. Water Cycle
Any form of water that falls back to Earth's surface from the clouds. Precipitation
Temperature at which saturation occurs and condensation begins. Above 32 Degrees Fahrenheit Dew Point
Temperature at which saturation occurs and condensation begins. BELOW 32 Degrees Fahrenheit Frost Point
Forms when air cools to its dew point in the atmosphere. Clouds
Low Clouds that forms in layers. Stratus
Clouds that are fluffy with flat bases. Cumulus
High Delicate feathery clouds. Cirrus
Stratus clouds that form on the surface of the earth. Fog
Smoke + Fog Smog
How near the air is to its maximum capacity for holding water vapor (Being Saturated). Relative Humidity
Region of hot air that is rising resulting in less pressure. Low Pressure Zone
Region of cold air that sinks and piles up, resulting in more pressure. High Pressure Zone
Lines of equal pressure on a weather map. Isobars
Horizontal movements of air that travels from areas of high pressure to areas of low pressure. Wind
Change in the direction of an object’s path due to earth’s rotation. Coriolis Effect
A large body of air with uniform temperature and moisture content. Air Mass
Extremely cold & dry type of Air Mass i.e. Forms over ice covered portions of the Arctic Continental Arctic
Cool & dry air mass i.e. Forms over northern Canada or Alaska Continental Polar
Cold & damp air mass i.e. Forms over the North Atlantic Maritime Polar
Warm & wet air mass i.e. Forms over the South Pacific or Gulf of Mexico Maritime Tropical
Hot & dry air mass i.e. Forms over land such as Mexico Continental Tropical
The boundary that separates opposing air masses. Front
The boundary between an advancing cold air mass and the warmer air mass it is displacing. Cold Front
The boundary between an advancing warm air mass and the colder air mass it is displacing. Warm Front
When a front is not moving forward. Stationary Front
When a cold front catches up to a warm front, forcing the warm air to rise. Occluded Front
First Stage in Thunderstorm Formation. Cumulus Stage
Second Stage in Thunderstorm Formation. Mature Stage
Final Stage in Thunderstorm Formation. Dissipating Stage
A winter storm characterized by high winds, low temperatures, and falling or blowing snow. Blizzard
Abrupt discharge of electricity through the air Lightning
The sound produced by the explosive expansion of air around the lightning bolt. Thunder
A violently rotating column of air that usually touches the ground. Tornado
Giant whirling storm accompanied by destructive winds and torrential rains. Winds greater than 74 mph Hurricane
First stage in Hurricane formation. Winds less than 23 mph Tropical disturbance
Second stage in Hurricane formation. Winds 23-39 mph Tropical depression
Third stage in Hurricane formation. Winds 39-74 mph Tropical storm
Place where they call hurricanes "willy-willies" Australia
Scientific Name of a Hurricane Tropical Cyclone
The rapid rise in water level along the coast as a hurricane or other tropical storm approaches. Storm surge
The year-round weather typical of a certain place. Climate
The event that causes clouds moving from the sea to and up mountain sides to drop they're moisture through precipitation and as it it passes to the other side stops raining producing something called the orographic effect. Rain Shadow
a pattern of meteorological symbols that represents the weather at a particular observing station and that is recorded on a weather map. Station Model
Created by: MrDiaz