Close
atmosphere
lithosphere
the crust
people build homes and cities on this layer
Earth's lithosphere contains
the center layer of the earth
core
mantle
What did early geographers notice in the 1500s?
plate tectonics theory
how continents move
Plate movement causes what?
weathering
When does water cause physical weathering?
hypothesis
scientific theory
igneous rock
metamorphic rock
sedimentary rock
sand
delta
fossil
the rock cycle
erosion
4 spheres
Pangea
