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Earth Science Semester 1

Across
When one plate boundary moves beneath another
Layer where meteors often burn up
The space shuttle and international space station travel in this level of the atmosphere
Hot, melted rock
Region where two air masses meet
Layer of the earth made of nickel and iron
Theory explaining the structure of the earth's crust and how it is divided and moves
A visible mass of tiny water droplets, ice crystals or solid particles in the atmosphere
Current of air blowing from a particular direction
Rocks formed from heat and pressure
Instrument used to measure atmospheric pressure
Type of boundary where two plates slide past each other
Down
Boundary where two plates move away from each other
Where high-altitude jet travel occurs
Amount of water vapor in a given volume of air
Must meet these 5 criteria: occur naturally, solid, inorganic, crystal structure, definite chemical composition
Type of rock classified by texture and composition
From earth's surface, it is the first layer of the atmosphere
Super continent where all land masses were connected
Type of plate boundary where two plates come together
Changes in temperature and density cause this
Type of map that has large-scale detail and contour lines
Rock formed when sediment hardens
The temperature at which water vapor begins, or would begin, to condense
Physical state of the atmosphere at any given time and place