physical feature on the Earth's surface
deep cracks in the Earth's crust
volcano that is currently erupting or recently erupted
volcano that no longer erupts
broad base volcano built by thinner lava
volcano that has steep sides formed by thick lava thrown high in the air
built by layers of ash and cinders
point directly above a focus where waves of energy ripple outward
magma that reaches the surface
huge waves that hit land and are caused by earthquakes under the ocean
process through which weathered rock is moved from one place to another
gentle loops in slow-moving rivers
all the gases around Earth
deepest layer of Earth
scientist that examines rocks
theory that explains how forces deep within Earth can cause continents to move
force that occurs when plates of the Earth's crust are pushed into each other
formed by lava erupting from a hot spot under the ocean florr
amount of energy released by an earthquake
process through which rocks are broken down
formed by erosion of flowing water
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