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Plate Tectonics
Bonnie Branch 6th Grade - 4-5 / The theory of Plate Tectonics
Term | Definition |
---|---|
plates | Earth's lithosphere broken into separate pieces which carry portions of continental or oceanic crust |
scientificv theory | A well-tested concept that explains a wide range of observations. |
plate tectonics | The geological theory that states that pieces of Earth’s lithosphere are in constant, slow motion, driven by convection currents in the mantle. |
fault | Breaks in Earth’s crust where rocks have slipped past each other. |
transform boundary | A place where two plates slip past each other, moving in opposite directions. |
divergent boundary | A place where two plates move apart, or diverge. |
rift valley | A deep valley that forms along a divergent boundary that develops on land. |
convergent boundary | A place where two plates come together, or converge. |