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Science 1
Age of earth
4.5 billion years
Theory about Earth formed at the same time as the other members of the solar system
Nebula Theory
Freshwater in the form of ice in Mountains and Polar Regions
Cryosphere
Theory that the Earth is like a grape contracted to a raisin
Raisin Theory
Proposed the term isostacy
Clarence Edward Dutton
Theory that states that continenral mass must be formed of lighter materials than the ocean
floor
isostacy
Tectonic is derived from the greek word
tekton meaning carpenter or builder
Used by scientists to describe the mlvement of litosphere
tectonic plates
Foundational work that gave rise to the plate tectonic theory
Theatrum Orbis Terrarum
Author of Theatrum Obis Terrarum
Abraham Ortellus
Proposed the continental drift theory
Alfred Wegener
Book where Alfred Wegener proposed Continental Drift Theory
The orgins of continents and oceans
Meaning pf Pangaea
All Earth
Solid ground where you stand on and formed through volcanic eruption
continental crust
Oldest Foundation of the earth
basement rock
Layer after basement rock
platforms
Latforms connected to basement rocks
cratons
edges of cratons
continental margin
Crust younger than continental crust
oceanic crust
Responsible for drifting
Asthenosphere
Areas where heat or rocks in the mantle are rising towards the earths surface
Mantle Plumes
Locations that have experienced volcanic activities for a long period pf time
Hotspots
Phenomena associates with surficial discharge of molten rock and other materials
volcanism
Occurs when matter circulates around tne earth
Convection
Sudden violent shifting of massive plates beneath the earths surface
earthquakes
point where the earthquakes originate
focus
Point Directly above the focus
epicenter
Hypocenter located near the surface
shallow focus earthquakes