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15 terms

6th grade earth science ch 15 vocab

6TH GRADE EARTH SCIENCE CH 15
STUDY
PLAY
atmosphere
Earth's air, which is made up of a thin layer of gases, solids, and liquids, forms a protective layer around the planet and is divided into five distinct layers
chloroflourocarbon
group of chemical compounds used in refrigerators, air conditioners, foam packaging, and aeresol sprays that may enter the atmosphere and destroy the ozone
condensation
process in which water vapor changes to a liquid
conduction
transfer of energy that occurs when molecules bump into each other
convection
transfer of heat by the flow of material
coriolis effect
causes moving air and water to turn left in the southern hemisphere and turn right in the northern hemisphere due to the Earth's rotation
hydrosphere
all the waters of the Earth
ionosphere
the layer of electrically charged particles in the thermosphere that absorbs AM radio waves during the day and reflects them back at night
jet stream
narrow belt of strong winds that blows near the top of the troposphere
land breeze
movement of air from land to sea at night, created when cooler, less dense air form the land forces up warmer air over the sea
ozone layer
layers of the stratosphere with a high concentraion of ozone, absorbs most of the sun's harmful ultraviolet radiation
radiation
energy transferred by waves or rays
sea breeze
movement of air from sea to land during the day when cooler air from above the water moves over the land, forcing the leated, less dense air above the land to rise
troposphere
layer of Earth's atmosphere that is closest to the ground, contains 99 percent of the water vapor and 75 percent of the atmospheric gases, and is where clouds and weather occur
ultraviolet radiation
a type of energy that comes to Earth from the Sun, can damage the skin and cause cancer, and is mostly absorbed by the ozone layer