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Erosion!

By: Kalean, Rogan, And James
by

james hunt

on 7 January 2015

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Transcript of Erosion!

Erosion
By
:
Rogan
,
James
,
Kaelan
Mechanical Weathering
The Changing Surface Of Earth
Mechanical weathering is settings of various processes weathering that will break apart into separate rocks.
Textbook, The globe and Mail

Physical Breakdown
Biological Weathering
Biological weathering is the chemical breakdown of rock caused by living organisms such as plants,animals,bacteria and fungi.
Pictures Of Erosion
Credits
geoology.aboujt.com
The Breaking On The Rock.
http://rgn.hr/~sborosos/UMP_1/UMP_3c.pdf
frost wedging is cased by water that freezes and thaws eventually the rock breaks off
Agents of erosion are glaciers, gravity, wind, and water. If erosion is caused by glaciers it will take thousands of years.
There are
sudden changes
and some are
flash floods, and
land sides.
Frost wedging happens when water freezes and thaws eventually the rock will break off this is called frost wedging.
Lots of gravity causes rocks to fall
down a cliff and break apart into lots of
little pieces.
Temperature: When the temperature hits below 0 the ice/water freezes and push the rock to the breaking point.
Credits
Water In Motion
Water in motion is one of the most powerful
and strong causes of erosion. Lots of sudden changes can occur as rivers erode their banks. It is so strong that it breaks off rocks.
P.E.I Disappearing.

P.E.I is losing 28cm
of land a year from
erosion.

http://www.theglobeandmail.com/news/national/smallest-province-getting-smaller/article16988070/
Here Is A Video Showing Erosion In PEI
https://www.google.ca/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=0CB0QtwIwAA&url=http%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3D-vUdilj6n0U&ei=TJ9jVMjICYz_yQTAgoLgBQ&usg=AFQjCNE0E-mX0zA1EAgyYyWuM6a2qmGZpQ
Physical breakdown occurs when a plants root forms into a rock this is called physical breakdown. When it happens the root will stay in the rock.

Youtube
Globe and Mail
Geological society
huge helpers

Google
Text Book
Prezi

Smaller Helpers
Thank you for watching
By

Rogan
,
James
,
Kaelan
chemicals from bacteria can burn through rocks.
Full transcript