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Geograpghy
Physical Geo
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Plate boundries
Geograpghy > Physical Geo
8 cards
Cards (57)
Geo-ecosphere
- All
four
spheres
Topography
- Shape of
land
Geomorphology
- Study of the start and change of earths surface
pedology - study of
soil
Hydrology
- Distribution and movement of
water
Climatology
- Study of
climate
oceanography
- study of the
oceans
metoerology
- study of
atmosphere
Biogeography - study of the distribution of
life
Plate
- A
thick rigid
object
Tectonics
- Large scale process in
earths
crust
Fossils
, rock types and mountains are all evidence of
Pangea
The heavier plate tectonic is taken under in
subduction
Trenches are at
subduction
zones
Ocean
mapping, seafloor spreading, paleomagnetism and crust subduction confirm the theory of
Tectonic plates.
(then computer and math)
Tectonic plates glide on top of the Asthenosphere
75
% of volcanoes and
90
% of earthquakes are in Ring of Fire
Plate motion is detected by
satellites
(Machine)
minerals - Rock with Crystalline structure
Rock
- Solid thing in the ground, made of
minerals
Block
fault - Pressure builds up and creates a mountain, usually come in groups
Fold
- Pressure makes the rock bend and fold, creating a
mountain
range.
Intrusive Igneous rock
- When
magma
cools under the surface
Extrusive Igneous Rock
- when lava
cools
on the surface
Minerals
formed closer to the surface are lighter and less dense
Minerals
formed further from the surface are
darker
and denser
Gradual disintegration - rock slowly
expands
and contracts, causing it to break down
The three types of weathering are physical,
chemical
and
biological
Sedimentary Rocks can be easily eroded by
weathering
, but
metamorphic
rocks cannot.
Igneous rocks have
crystalline
structure
Chemical Weathering
is caused by
carbonation
, hydrolysis and oxidation
Chemical weathering
occurs when
water
reacts with minerals to form new compounds
Biological weathering is the breakdown of rocks through living organisms such as
plants
and
animals
Biological Weathering is when plants and animals weather rock
Folding
is when plates are pressured from each side
Block fault
- Pressure builds from the bottom and makes a mountain(Usually in groups)
Volcanism
- The process of volcanoes forming and erupting.
Faulting
: the production of a fault or faults in a rock formation
Gradational Forces - Breaky
forceys
, but no taky
Temperature is a
weathering force
(Expand and Contract)
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