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26 terms

Earth

Science Clep
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Atmosphere
Buffer zone which protects from meteorites and radiation
Troposphere
lowest layer of atmosphere which provides most of our weather
Stratosphere
includes ozone layer and is warmer than other spheres because it absorbs UV light
mesosphere
third layer of the atmosphere in which meteors burn up
ionosphere
high in ions and electrical charge
exosphere
atmosphere extends to space and is compressed by solar wind
clouds
humid air which cools enough for water vapor to condense into droplets or ice crystals
condensation nuclei
tiny particles that serve as kernels around which drops can form
cirrus
high level clouds and are thing which do not produce rain. Indicative of fair weather
Altostratus
flat, mid level clouds
altocumulus
puffy, mid level clouds
virga
precipitation that does not reach the ground
stratus clouds
dense, dark, rainy low level clouds
cumulous
fair weather clouds
cumulonimbus
larger cumulous clouds which produce storms
Inner Core
solid iron ball that is white hot. High pressure prevents iron from melting
Outer Core
shell of liquid iron which is responsible for Earth's magnetic field
Mantle
rock which flows under pressure. Upper and lower
Crust
outermost layer of earth
Rocks
natural substance composed of solid crystals of different minerals that have been fused together in a solid lump
igneous
volcanic rock and form from molten material
basalt
seafloor formed from dark lava
sedimentary rocks
formed from eroded fragments of other rocks or even remains of plants or animals
strata
layers of rock
metamorphic rocks
sedimentary or igneous rocks that have been transformed by heat, pressure or intrusion of fluids
xenolith inclusion
a rock inside another rock