Download Plates (of the earth)

Geology:
the study of the earth’s surface
& substructure (what’s inside it)
Crust:
the outermost
and
thinnest
of
Earth’s layerst
Mantle
the layer of Earth between the
crust and the core
Lithosphere
layer of the Earth that consists
of the crust and upper mantle
Core
the center part of the Earth made up
of a liquid outer core & a solid inner core
Plates (of the earth)
pieces of Earth’s lithosphere
(like puzzle pieces)
Plate Tectonics
the theory that the plates of the
Earth are constantly moving
Fault
places where the plates of the Earth
meet, causing a break in the
Earth’s crust
Earthquake:
the shaking of the Earth’s surface caused by
the release of energy along a fault
Volcano
an opening in the Earth’s crust through which
steam, lava, and ashes erupt
Lava
molten rock on Earth’s surface
Magma
molten rock beneath the Earth’s surface
Richter Scale
a scale that measures the strength
of an earthquake
Seismic waves
waves that are given off during an earthquake
that travel through the ground
Seismograph
an instrument that is used to detect and
measure seismic waves
Focus
the underground point where an earthquake
begins (ground zero)
Epicenter
the point on Earth’s surface directly
above the focus of an earthquake
Magnitude
measurement of an earthquake’s
strength based on seismic waves and
movement along faults
Ridge
a long, narrow, raised land formation
Trench
a long, narrow ditch or valley
Pangaea
hypothetical giant landmass that
existed when all the continents were joined
Divergent boundary
the plates move apart
Convergent boundary
the plates move together
Transform Boundary
the plates slide past each other