Vocabulary
The wearing away of surface materials and moving them to another location.
erosion
TRUE/FALSE Erosion due to gravity is higher on slopes and mountains compared to flat areas.
True
plucking
When wind blows dry topsoil from open fields, _________ are possible
dust storms *NOT SAND STORMS*
1810's 1980's 1930's 1840's
1930's
process of dropping sediments when the energy of the motion decreases.
deposition
When loose sediments or rocks break off and slip down a sloped surface
rock fall or rockslide
Huge masses of ice and snow that covers land are called ________ glaciers
continental
People usually place _________ at edges of fields to slow down wind erosion.
wind breaks flowers buildings
wind breaks
Lake Mizzoula burst open from an ice dam and created the __________ about 18,000 years ago during the last Ice Age.
Scab Lands
erosional process when wind-blown sediments scratch and polish other rocks.
abrasion
All of the following are examples of mass movement due to gravity except:
rock slide mudflows creep dust storm
dust storm
_______ glaciers exist in mountains.
Valley
A mound of sediments that drifts due to wind (usually in deserts) are called ______
dunes
Which national park experiences many rock falls and is home to the "El Capitan" peak?
Yosemite
process of wind removing small particles and leaving behind heavier sediments
deflation
TRUE/FALSE We have the ability to predict rock falls?
FALSE
Our last major ice age took place roughly _________ years ago.
18,000
What continent contains the largest HOT desert in the world (Sahara)?
Africa
Our narrator for "Power of the Planet-Ice"
Ian Stewart
a mass movement that occurs when materials slip down a curved surface.
slump
What is a way we can reduce erosion on slopes?
drainage pipes retaining walls plant vegetation
Glaciers that are in mountains carve out __ shaped valleys.
U
Airborne particles that go into the atmosphere can eventually return back to Earth. This process is called ___________.
deflation deposition abrasion
deposition by wind
Which mountain range is located in France and contains the "Au-Jauntier" glacier?
Alps