mrs. randall 6th grd. s.s. deck 2 Flashcards
Mantal
A Layer of hot dense rock
Core
Hot iron mixed with other metals
Magma
Hot melted rock
Crust
A thin rocky shell that formers the surface
Continents
Large land areas that are surrounded by water
Plate tectonics
Explains how the continents formed and why the moved
Earthquakes
Are sudden and violent movements of the earths crust
Faults
Are when rocks don’t come together right and makes crakes in the surface
Weathering
Is when water and ice , and even chemicals, and even plants break down rock into smaller pieces
Erosion
Water wind and ice can move away weathered rock
Continental shelf
Of each coast of a continent is lies a plateau
Trenches
Tectonic activity also make big cuts on the ocean floor
Groundwater
Filters through the soil into the ground
Aquifers
Are underground layers of rock through which water flows
Water cycle
The water goes from the ocean to the air to the ground then finally back to the oceans