What is the ozone layer and why is it important to life on earth?
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a layer in the earth's stratosphere at an altitude of about 6.2 miles (10 km) containing a high concentration of ozone, which absorbs most of the ultraviolet radiation reaching the earth from the sun.----it absorbs ultraviolet (UV) radiation from the sun, preventing most of it from reaching the earth's surface
Where does weather occur?the troposphereWhat is a "river" of fast moving air high up in the atmosphere?jet streamusually associated with thunderstormscold frontsusually associated with light to moderate precipitationwarm frontsoccur due to the differences in temperatures of the land and seasea breeze/land breezethe suns rays is an example of...radiationan air vent is an example of...convectionan egg frying on a pan is an example of...conductionan instrument for measuring and indicating weatherthermometeran instrument measuring atmospheric pressurebarometeran instrument for measuring the sped of the windanemometera radar tracking system using the Doppler effect to determine the location and velocity of a stormdoppler radara type of satellite that is primarily used to monitor the weather and climate of the Earthweather satelitesa balloon equipped with meteorological apparatus that is sent into the atmosphere to provide information about the weather.weather balloonsymbolic illustrations showing the weather occurring at a given reporting station.station modelsWhat percent of the atmosphere is nitrogen?78%What percent of the earths atmosphere is oxygen?21%What percent of the earths atmosphere is trace gases?1%As the altitude of the atmosphere increases, what differences?air pressure and temperatureCompare and contrast high and low pressure air masses and their ability to hold water vaporwarm air masses hold more moisture than cold air massesWhat process is water that collects as droplets on a cold surface when humid air is in contact with it; the conversion of a vapor or gas to a liquid?the process of condensationWhat process is water changing from a liquid to a gas or vapor?the process of evaporationWhat process is water falling from the clouds as rain, freezing rain, sleet, snow, or hail?the process of precipitationEvaporation: This is when warmth from the sun causes water from oceans, lakes, streams, ice and soils to rise into the air and turn into water vapour (gas). Water vapour droplets join together to make clouds!
Condensation: This is when water vapour in the air cools down and turns back into liquid water.
Precipitation: This is when water (in the form of rain, snow, hail or sleet) falls from clouds in the sky.
Collection: This is when water that falls from the clouds as rain, snow, hail or sleet, collects in the oceans, rivers, lakes, streams. Most will infiltrate (soak into) the ground and will collect as underground water.the water cycle processa quantity representing the amount of water vapor in the atmosphere or a gas.humiditythe atmospheric temperature (varying according to pressure and humidity) below which water droplets begin to condense and dew can form.dew pointThe amount of water vapor present in air expressed as a percentage of the amount needed for saturation at the same temperature.relative humiditypolar or arcticcolder air massestropicalwarmer air massescontinentaldry air massesmaritimemoist air massesMid latitude wind system that influences weather over the United Statesprevailing windsstands for the environmental protection agency, and they work to protect the environment by moderating the pollution level.EPA
