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Tectonic Plates

Across
The theory that continents move on tectonic plates.
The outermost layer of the Earth.
The layer located around the inner core containing molten material made of mostly iron and nickel.
Plates moving away from one another.
When two oceanic plates spread apart new crust is formed from magma rising to the surface.
The region where oceanic plates sink down into the asthenosphere.
Circular currents in the asthenosphere caused by the magma being heated by Earths core.
The layer containing the crust and upper layer of the mantle.
A place where tectonic plates slide past each other horizontaly.
Tectonic plates that have oceans on top of them they are thinner then continental plates.
The theory that Earth's lithosphere is divided into large plate-like sections that move.
Down
The area of the mantle that is plastic like. convection currents happen here.
A plate boundary where 2 plated head directly toward each other.
Plates the have continents on them. they are much thicker then oceanic plates.
The layer between the crust and the outer core.
A underwater mountain range made by a divergent plate boundary.
The innermost layer of the earth.
Deep valley in the ocean floor that forms along a subduction zone.
A deep valley that forms where two plates move apart.
A break in earth's crust where tectonic plates slip past each other.