Earth Science Worksheet

a zone where Earth's crust and mantle are being pulled apart
a depression in the ocean floor
molten rock below Earth's surface
the crust that has formed the continents
a place where extremely hot materials fro inside Earth's erupts at the surface
isolated place away from the plate boundaries where a lot of hot magma is collecting
when one plate sinks below another plate during collision
a huge wave in the ocean caused by an earthquake ocurring on the sea floor
a deep channel in the ocean floor where crust is sinking downwards
name for the crust and the upper mantle together; Earth's tectonic plates
Earth's outermost solid layer
plates are pulled apart at the mid-ocean ridges
the shacking, wave-like movement of ground in an earthquake
section of Earth's crust that moves about on Earth's surface
the place below ground where an earthquake starts
plate boundary where lithosphere is destroyed
a layer of 'plastic' semi-solid rock in the lower mantle on which Earth's tectonic plates move
mountains forms by crust crumpling upwards as plates collide
a chain of islands formed at the edge of colliding tectonic plates where one plate subducts
an instrument that detects the seismic waves from an earthquake