Download Week 13: Earth Changes W-E-D

Wk 13: Changes to Earth’s Surface WED
constructive force
forces that build up land such as
deposition
deposition
the process in which broken down
rocks are dropped in a area after
being eroded
destructive force
forces that break down the land
such as weathering and erosion
erosion
the moving of broken down
rocks, sediments, from one place
to another
fault
a crack in the earth’s crust
Pangaea
the theory or idea that our
continents were once part of a
super continent millions of years
ago
Plate Tectonics
a theory that scientists believe
that Earth's surface is broken into
a number of shifting plates that
are above a hotter, deeper, more
mobile zone (mantle)
plates
huge slabs of rock that constantly
move
weathering
the process of breaking down of
rocks with water, wind and ice