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4th Grade Weather Answer Key

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Atmosphere
#1 What layer of the atmosphere do we live in? Troposphere
#2 What is the atmosphere? the layer of air that surrounds the earth
#3 Where is the ozone layer located? Stratosphere
#4 What is the hottest layer of the atmosphere? Thermosphere
#5 List the 4 layers of the atmosphere Troposphere, Stratosphere, Mesosphere, Thermosphere
Weather Instruments
#1 measures temperature thermometer
#2 measures air pressure barometer
#3 meausres wind direction wind sock or weather vane
#4 measures humidity hygrometer
#5 measures wind speed anemometer
Clouds
#1 What clouds do you see on a bright sunny day? Cumulus
#2 What clouds do you see on a dark and stormy day? Cumulonimbus
#3 In fall, when it is cool, what clouds do you see? Cirrus
#4 These clouds look like a grey blanket Stratus
#5 On a day with cumulonimbus clouds what is the air pressure? Low Air Pressure
Air and Weather
#1 When two air masses meet you get what? Front
#2 What do you call a Scientist that studies weather? Meteorologist
#3 What is the symbol for a cold front? a line with triangles on it
#4 What kind of front forms when a warm air mass catches up to a cold air mass? Warm Front
#5 What do you call a front that stops moving? Stationary Front
Vocabulary
#1 the amount of water vapor in the air humidity
#2 particles of air pushing down on the Earth's Surface air pressure
#3 the warming of earth causes by the atmosphere trapping thermal energy from the sun greenhouse effect
#4 coldest layer of the atmosphere mesosphere
#5 What news station does Mrs. Carroll work for? Ohio News Network (ONN)
Final Question
Where is the air pressure the greatest? Closer to the earth or in space? Closer to the earth