A _________ forms because as the river enters the ocean, its flow dramatically decreases causing it to decrease its speed and drop the sediment that it is carrying.
Delta
What causes rusting?
Oxidation of metal found in rocks.. Iron reacting with oxygen in the water and air
Which force of erosion carries rocks with the greatest mass? (boulders)
glaciers
Name a characteristic surface feature formed by glaciers.
U-shaped valley, drumlin, moraine
As the surface area of a rock increases, then the rate of weathering will _____________
increase
Most soil is formed primarily by
deposition
weathering
erosion
Which characteristic of a rock would be most helpful in determining its agent of erosion?
physical appearance
The growth of plant roots and animal actions are examples of _________________weathering.
mechanical
Which erosional agent most likely piles topsoil against a house?
wind
Name a characteristic surface feature formed by wind.
Dunes, rock formations
What is runoff?
water that flows over the earth’s surface.
A _____________________ is a long narrow bar of sand that forms parallel to the main land and is created by waves transporting sand.
flood plain
barrier island
plateau
delta
What type of weathering causes ice wedging?
mechanical
Why is the composition of sediments on the Earth's surface usually is quite different from the composition of the underlying bedrock?
Sediments are transported (moved) from other places due to erosion
Sharp-edged, irregularly shaped sediment particles found at the base of a rock cliff were probably transported by _______
gravity
mass movement
ocean waves
glacial ice
Chemical weathering usually involves a weak or strong _________ dissolving rock.
acid
Name a characteristic surface feature formed by water.
v-shaped valley, delta, (waves form beaches, barrier islands)