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21 terms

Science Chapter 5 Earth

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