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Aidans Crossword

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Across
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A continent formed 250 million years ago due to plate movement.
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he sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.
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A boundary in which two plates slide past each other without creating or destroying lithosphere
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The emission of energy as electromagnetic waves or as moving subatomic particles.
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The outer solid part of the earth, including the crust and uppermost mantle
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Two plates of the lithosphere coming closer together from two different directions
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Seismic waves are waves of energy that travel through the core of the earth.
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The solid, outermost layer of the Earth, lying above the mantle
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A current in a fluid that results from convection
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The site where tectonic plates move apart and new oceanic crust is created
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Pressure is the force per unit area applied to a direction perpendicular to the surface of the object.
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one of the sections of the earth's lithosphere, constantly moving in relation to the other sections.
Down
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The mass per unit volume of a substance at a specified pressure and temperature
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A solid sphere in the middle of the fluid core
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a valley with steep sides; formed by a rift in the earth's crust
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The gradual movement of the continents across the earth's surface
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The concept that new oceanic crust is created at the mid-ocean ridge as a result of divergence between plates.
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a linear feature that exists between two tectonic plates that are moving away from each other
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A liquid layer about 2,260 kilometers thick
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A crack in the earth's crust