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What is the structure of the solid earth
and how has it changed over time?
I.
How do we know the
Earth has layers and what are the properties of those layers?
key terms: crust, mantle, outer core, inner core, lithosphere, asthenosphere,
mesosphere, p-waves, s-waves, seismic waves, seismograph
II.
How do we know how old
Earth is?
key terms: relative dating, superposition, fossils, absolute dating, half-life,
radioactive decay
III. How do we know the tectonic plates are moving and what causes this
movement?
key terms: gravity, sea-floor
spreading, subduction, convection, radioactive decay, volcanic hot-spots,
geochronology
IV.
What does the movement
of tectonic plates cause?
key terms: seafloor spreading, mid-ocean ridge, convergent plate boundaries,
divergent plate boundaries, transform plate boundaries, ocean trench,
mountains, composite volcanoes, shield volcanoes, cinder cone volcanoes,
earthquakes, magma
V.
How are rocks related
to plate tectonics?
key terms: igneous, metamorphic, sedimentary, erosion, weathering, deposition,
compaction, cementation, melting, cooling, heat, pressure, convergent and
divergent plate boundaries
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