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Chapter 9: Planetary Geology

Teacher: Riddle
Across
Dense central region of a planet that has undergone differentiation
Wearing down or building up of geological features
Relatively rigid outer layer of the planet
The process by which gravity separates materials according to density
A place within the lithosphere where a plume of hot mantle materials rises
Prefix meaning "Earth"
Creation of bowl-shaped impacts by objects striking a planet's surface
Down
Largest terrestrial planet
Low-density surface layer of a planet
Eruption of molten rock from a planet's interior onto its surface
Earthquake-induced vibrations that travel through a planet
Rocky layer between a planet's core & crust
Disruption of a planet's surface by internal stresses
Molten rock
Places where plates slip sideways relative to each other