The conditons of the atmosphere at a given location for a short peiord of time.
What is weather?
100
This causes most local weather conditions changes.
What is movment of air masses?
100
The two most prevelant gasses in our air.
What are oxygen and nitrogen?
100
Low-pressures systems ussaly bring this.
What are clouds and unstable conditions?
200
The three classes of rocks.
What are metmorphic, sedimentary, and igneous?
200
The characistics weather that preveails from to season and year to year.
What is climate?
200
The movment of air masses is determined by two things.
What are preavling winds and upper air currents?
200
As the density of air decreases, its pressure.
What is decreases?
200
This is generaly movment of highs and lows across the united states.
What is from west to east?
300
Most rocks show charistics that give clues to this.
What are their formation conditions?
300
The cause of weather.
What is the unevean heating of earth's surface?
300
Boundires between air masses.
What are fronts?
300
This type of air mass is warm and humid.
What is maritime tropical?
300
Hazedours weather conditions (5)
What are thunderstorms, tornadoes, hurricanes, ice storms, and blizzards?
400
This model shows how types of rocks or rock material may be transformed from one type of rock to another.
What is the rock cycle?
400
These form when air remains nearly stationary over a large section of earth's surface and takes on the conditions of tempuature and humitity from that location.
What are air masses?
400
This is likley to acurr at fronts.
What is high-preassure?
400
instruments used to meassure.
What are barometers?
400
This is cruicial for humans to be able to prepare for and respond to hazerdous weather conditions.
What is sufficent warning?
500
This rock can float.
What is pumice?
500
Weather conditions at a location are determined primiarliy by 3 things.
What are tempuature,humidity, anad preassure of air masses over that location?