Weathering
The type of physical weathering where water seeps into the cracks of a rock and freezes?
Frost Wedging
What is erosion?
Transporting of weathered material from one location to another.
What is deposition?
The depositing of sediment in one location
What is soil composed of?
Weathered rock and decaying organic matter
What type of rock is affected most by weathering?
Sedimentary
What are water, oxygen, carbon dioxide, and acids are significant agents of?
Chemical Weathering
What are the agents of erosion?
Wind, water and glaciers.
The force that moves rock and other materials downhill
Gravity
What type of landform can volcanoes create?
Islands, Calderas and Lakes.
True or False: Igneous rocks are formed when sediments break apart.
False
What is Mechanical Weathering?
Physical change of rocks. Changes size and shape.
What is the least effective erosion agent?
Wind
Large deposits of sand particles that shift with the wind
Dunes
Hydrothermal vents are found along
mid-ocean ridges and subduction zones
_________ and ____________ turn sedimentary rocks into metamorphic rocks.
Heat; pressure
What is the difference between mechanical and chemical weathering?
Mechanical Weathering changes size and shape of rocks.
Chemical Weathering changes the rocks chemical composition.
This is a product of glaciers scraping the land and creating holes that are later filled with water...
Kettle Lakes
Unsorted debris left behind by glaciers
Till
Increased carbon dioxide (CO₂) contributes to ....
global warming
This is type of rock was formed from molten rock found above the earth's surface.
What is the name of the rock and the molten rock?
Extrusive Igneous; Lava
What are the factors that control the rate the rock weathers?
Climate, Rock type and chemical composition, Surface area and topography.
Wind abrasion can result in...
Ventifacts
Deposition by stream can occur anywhere along it path where the water speed what?
Decreases.
Sulfur dioxide (SO₂) reacts with water (H₂O) in the atmosphere and leads to
Acid Rain
Two types of metamorphic rock
Foliated and unfloliated