Geography Key words

Nida H
Mind Map by , created over 6 years ago

1st grade Geography Mind Map on Geography Key words, created by Nida H on 05/14/2013.

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Nida H
Created by Nida H over 6 years ago
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Geography Key words
1 OCEANIC TRENCH
1.1 A long narrow but very deep depression in the ocean floor, where at the junction of 2 plates, 1 plate dives steeply beneath another & penetrates the mantle
1.1.1 Penetrate: forcing into something
2 SUBDUCTION ZONE
2.1 A subduction zone is a region of the Earth's crust where tectonic plates meet. (E.g: Where a continental plate meets an oceanic plate). Subduction zones occur where plates collide
3 OCEAN PLATE
3.1 An ocean plate is a tectonic plate mainly underneath the ocean & a continental plate is mainly underneath a continent
4 DIVERGENT
4.1 When plates pull apart, earth fractures & breaks causing shallow earthquakes along the plate boundary. When they are getting separated, a new crust is formed from magma that rises to the Earth's surface between the 2 plates. (New land & islands are formed)
4.1.1 E.g: the Mid-Atlantic ridge (the major site of volcanic & earthquake activity), or the East-African Rift Valley (is opening up & new land is being formed in the bottom of the valley
5 CONVERGENT
5.1 A convergent plate boundary (sometimes called a destructive plate boundary) occurs when oceanic & continental plates move together. The oceanic plate is forced under the lighter continental plate. Friction causes melting of the oceanic plate & may trigger earthquakes. Magma rises up through cracks & erupts onto the surface. (Land gets destroyed)
5.1.1 Are recognised by: A very deep ocean trench, large numbers of earthquakes & also large numbers of volcanoes
5.1.2 Example: subduction, of the Nazca plate beneath the South American plate, to form the Andes
6 HUMAN
6.1 Human geography focuses on the study of human interaction with the environment, its cultural, social & economical aspects. Can also be something man-made, e.g: a building, etc.
7 PHYSICAL
7.1 Physical geography deals with the Earth's climate, physical structure, atmosphere, soil, rock, water, & related natural processes
8 ECONOMICAL
8.1 Giving good value or service in relation to the amount of money, time or effort spent
8.1.1 Economical geography is dealing with the relation of physical & economic conditions to the production of raw materials & their manufacture into finished products
9 SOCIAL
9.1 Social geography is the study of people & their environment with particular emphasis on social factors
10 ENVIRONMENTS
10.1 The surroundings or condition in which a person animal or plant lives or operates

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