NSES Content Standard D
Earth and Space Science: Structure of the Earth system Grades 5-8, page 159 The solid Earth is layered with a lithosphere; hot, convecting mantle;
and dense, metallic core.
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Benchmark 4C The Physical Setting: Processes
that Shape the Earth
Grades 9-12, page 74
The solid crust of the earth--including both the continents and the
ocean basins--consists of separate plates that ride on a denser, hot, gradually
deformable layer of the earth. The crust sections move very slowly, pressing
against one another in some places, pulling apart in other places. Ocean-floor
plates may slide under continental plates, sinking deep into the earth.
The surface layers of these plates may fold, forming mountain ranges.