Earth Science Flashcards
Geologic Process
Events that occur over and over again throughout earths history to change the surface of the Earth.
Weathering
Breaking up or dissolving of rock and soil into pieces.
Erosion
The carrying away (movement) of rocks and soil create holes.
Deposition
Is the dropping of dirt, eroded rocks and soil in piles in a new location.
Layers of Earth
Is made of 4 layers
Crust
Thin and brittle
Mantle
Thick liquid
Outer core
Liquid melted rock
Inner core
Solid
Convection currents
A temperature difference within a fluid causes hotter fluid to rise and cooler fluid to sink.
Igneous rock
Cooled down magma
Sedimentary rock
When sediments squeeze together and creates a sediment rock
Metamorphic rock
Material in rock hardens and crystallizes