Plate Boundaries
These boundaries form when two tectonic plates move away from each other.
What are divergent boundaries?
These mountains form when two continental plates collide and bend upward.
What are fold mountains?
The breaking of rock into smaller pieces without changing its composition is known as this.
What is physical weathering?
This process moves weathered sediment from one place to another.
What is erosion?
A glacier forms when snowfall exceeds this over many years.
What is snowmelt?
The San Andreas Fault is a famous example of this type of boundary.
What is a transform boundary?
Over 60% of Earth’s volcanoes form along this type of boundary.
What are divergent boundaries?
Roots growing into cracks in rocks and breaking them apart is an example of this.
What is biological/physical weathering?
Sediment is dropped or settles when energy decreases during this process.
What is deposition?
These bowl-shaped depressions form where glaciers begin high in the mountains.
What are cirques?
At these boundaries, two plates collide—sometimes causing subduction.
What are convergent boundaries?
This explosive event occurs when stress builds up and rocks suddenly break along faults.
What is an earthquake?
This type of weathering changes rock into new substances through reactions with water or acids.
What is chemical weathering?
On a river bend, erosion occurs on this side.
What is - the outside of the bend?
Wind erosion can grind and scrape rock surfaces in a process known as this.
What is abrasion?
This massive mountain range formed when the Indian Plate collided with the Eurasian Plate.
What are the Himalayas?
This U.S. volcanic arc formed by the subduction of the Juan de Fuca Plate under the North American Plate.
What are the Cascade volcanoes?
Caves often form when this weak acid dissolves limestone underground.
What is carbonic acid? (carbon dioxide + rainwater)
This landform forms where a river slows down and deposits large amounts of sediment into a body of water.
What is a delta?
This type of glacier covers large areas and spreads outward from central regions, like in Antarctica and Greenland.
What is a continental glacier?
This landform forms when tension stress pulls Earth’s crust apart, causing blocks to rise or fall along faults.
What are fault-block mountains?
Underwater earthquakes can cause these massive destructive waves.
What are tsunamis?
Rusting of a metal car is an example of this kind of weathering.
What is chemical weathering?
Wind-blown deposits of fine silt and clay are known by this name.
What is loess?
The poorly sorted mixture of rocks and sediment deposited directly by a glacier is known as this.
What is till?