vocabulary 11 moving plates

Crust  earth solid rocky surface that have the continents and ocean floor .

Original horizontaly   the idea of many kind of rock form in a flat horizontal layer .

Continental drift   the idea of a supercontinent split apart into pices , the continents that is today .

Sea floor spreading  the idea that new crust is forming  at rides in the sea floor spreading apart the crust on either side of the rides .

Magma hot molde rock that is below the earth surface .

plate tectonics  the idea that the earth surface broken into plates that move .

Mantel earth leayer beanth the crust .

Subduction   where plates collide the sliding of a denser ocean plate onder other plate .