Unit 1
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What gas makes up 78% of the air
Nitrogen
What is weather
The state of the atmosphere at a given time and place
How does a thermometer work
The Liquids and solids will expand when heated
What is a meteorologist
People Who study the daily weather and forecast
99% of the weight in the atmosphere is found with in how many miles
The first 20 miles or 32 km Off the surface
What percent of the suns energy is absorbed by earths surface
51%
How much of the suns energy is absorbed by the atmosphere
19%
How much of the songs energy is reflected back into space
30%
Which way do Isotherms over the land bend during the winter
Tward the poles
What’s chart would you use to see if there is a danger of frost bite
A wind chill chart
Beufort scale
This is a scale that determines how fast the wind blows from your observations on land or water
Why and when do temperature of inversions happen
They happen because of conduction and on clear dry nights when the temperature drops quickly
When are temperature inversion destroyed
Late morning
When is the sun hottest, when is the earth hottest, why are these different
The sun is hottest around noon however the hottest time of day is around 3 or 4 o’clock. This is because the ground is still not at its hottest
Define temprature range
The difference between the highest and lowest temperatures of the day
Why does the stratosphere’s temperature rise with altitude
This is because of the presence of ozone
Describe the troposphere
This is the lowest layer nearest to the surface this is where gases that are essential to life are this is where weather occurs in temperature increases an increase in altitude This is because the gases absorb very little of the incoming solar radiation instead the ground absorbs this radiation and then heat the tropospheric air by conduction and convection
Describe the stratosphere
This layer is found around 31 miles from the surface it is clear dry with study winds very few weather changes this is where jet Aircrafts fly temperature increases with altitude because ozone is heated by radiation from the sun which is warmer than the rest of the air and sits above the denser cooler air
Describe the mesosphere
This is a layer that is 51 miles high temperature decreases with an increase of altitude the ionosphere begins here and stretches a poured into the Thermosphere the top portion is known as the meso paws were temperature stays constant
Describe thermosphere
Reaches from the meso paws to 310 miles high temperature increases with an increase in altitude this is due to nitrogen and oxygen atoms here absorbing solar energy
Describe the ionosphere
Directions from the lower mesosphere to the top of the thermosphere Ions or charged atomic particles are concentrated in this region this is where radio waves are transmitted
What are the two greenhouse gases
Carbon dioxide and water vapor
What causes excess carbon dioxide to be released into the atmosphere
The burning of fossil fuel’s
Describe the green house affect
Greenhouse gases let in the sun‘s UV rays which are longer wavelengths and do not let out this earth infrared energy which is a shorter wavelength Causing the earth to heat up