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*Earth System, Earth Interior, Convection and the Mantle

Name __________________________ HR_____
Date ______________
Across
Wearing down and carrying away of land by water, ice, wind, and gravity.
Relatively thin envelope of gases that form Earth's outermost layer
When earthquakes occur, they produce _____ waves.
Heat transfer that can occur without matter and travels by rays or waves.
A dense ball of solid metal (2 words)
Forces that wear away and destroy land by erosion and weathering are ______ forces
A group of parts that work together as a whole.
Soft layer of the mantle found below the lithosphere.
The crust and the upper mantle form the ________.
Layer of rock that forms Earth's outer skin and includes both dry land and ocean floor.
Breakdown of rocks by water, ice, temperature changes, plants, animals and chemicals
The ability to do work.
Heating and cooling changes a fluids density and set convection ______ in motion.
Down
_______ build up Earth's surface by spewing lava that hardens into rock.
Heat transfer between materials that are touching
A layer of hot rock below the crust.
Contains all the Earth's water
A measure of how much mass there is in a given volume of a substance.
______ build land masses by lifting up mountains and rocks.
Forces that shape Earth's surface by building up mountains and other land masses are called _____ forces.
Light coarse grained rock found in the continental crust.
Dark fine grained rock which composes the oceanic crust.
Has three main parts: metal core, solid middle layer, and rocky outer layer
A layer of molten metal (2 words)
The outer and inner core are made mostly of the metals ______ and nickel.