Studyguide Weathering Erosion

NAME:_______________________________ Weathering / Erosion Study Guide Page 1
PERIOD:______
Redbook Chapter 7 (Page 212 – 217)
WEATHERING:______________________________________________________________________________________
Contribute to Weathering: 1_____________ 2______________ 3______________ 4__________________________
EROSION:__________________________________________________________________________________________
What are the two kinds of Weathering? 1__________________________ 2___________________________________
Mechanical Weathering:______________________________________________________________________________
Mechanical weathering breaks rock into pieces by __________________ and ________________, Release of _________
Growth of _________________, actions of _______________________, and ________________________.
ABRASION:_________________________________________________________________________________________
In cool climates, the most important force of mechanical weathering is _____________________________________
ICE WEDGING:______________________________________________________________________________________
Chemical Weathering:________________________________________________________________________________
Agents of chemical weathering include ________________, ______________, ________________, ________________
And ______________________.
Chemical weathering produces __________ particles that have a ______________ _______________ makeup from the
rock they came from.
_____________________ is the most important agent of chemical weathering
OXIDATION: _______________ combines with __________________ in the presence of ______________________
The product of Oxidation is ____________________.
LICHENS:___________________________________________________________________________________________
The most important factors that determine the rate at which weathering occurs are ________________ and _________
Rock made of minerals that do not dissolve easily weather _____________. Rock made of minerals that dissolve easily
weather _______________________.
CLIMATE:__________________________________________________________________________________________
Chemical and Mechanical weathering occur faster in ___________ climates. Rainfall provides the water needed for
__________________ changes as well as for ______________________ and _________________________.
Chemical reactions occur faster at higher __________________________. ****Chemical weathering occurs more
quickly where the climate is both _______________________ and _______________________.
Weathering and Erosion Study guide page 2
(Chapter 8 pages 246-271)
EROSION (again):___________________________________________________________________________________
SEDIMENT: _______________________________________________________________________________________
DEPOSITION:______________________________________________________________________________________
Gravity is the force that moves ____________ and other ____________________ towards earth.
MASS MOVEMENT: _________________________________________________________________________________
Four types of mass movement 1___________________ 2____________________ 3________________ 4_____________
Section 2 ------_______________ _______________ is the major agent of erosion that has shaped Earth’s land surface
RUNOFF:__________________________________________________________________________________________
RILLS:_____________________________________________________________________________________________
GULLY:____________________________________________________________________________________________
Through erosion, a river creates _____________,_________________, _________________, ______________ , _______
FLOOD PLAIN:_______________________________________________________________________________________
MEANDER:_________________________________________________________________________________________
OXBOW LAKE:______________________________________________________________________________________
GROUND WATER:___________________________________________________________________________________
---section 3------ABRASION:________________________________________________________________________________________
The amount of sediment that a river carries is its _________________.
If a river’s speed increases, its sediment ______________ and power to _____________ may increase.
Where a river flows in a straight line, the water flows faster near the _______________ of the river than along the _____
Deposition occurs along the ___________ of the river, where the water moves more ___________________.
If a river curves, the water moves the fastest along the ________________ of the _______________. There the river
tends to _____________ into its bank. Sediment is ___________________ on the inside curve, where the water speed
is slowest.
------------section 4------------------------Valley Glacier _____________________________________________________________________________________
Continental Glacier _________________________________________________________________________________
The two processes by which glaciers erode the land are ___________________ and ______________________.
PLUCKING:_________________________________________________________________________________________