The outermost layer of the planet
What is the crust?
When two plates move toward each other
What is a convergent boundary?
A small incline usually covered in grass
What is a hill?
The process of breaking down rocks on Earth's surface
Weathering
Rocks formed when sediment sticks together due to pressure and time
What is a sedimentary rock?
Includes the crust and upper mantle
What is the lithosphere?
7
How many major plates are there?
A strip of land surrounded by water on three sides
What is a peninsula?
This is an example of mechanical weathering
What is: Ice Wedging, Root Wedging, Salt Wedging, Abrasion, Erosion
Rocks formed by lava cooling QUICKLY
Liquid iron, nickel, sulfur, and oxygen
What is the outer core made of?
The theory that continents are drifting around the world slowly over time.
What is Continental Drift Theory?
A dip in the land usually between two mountains
What is a valley?
A landslide is an example of this
What is mass movement?
When a sedimentary rock undergoes intense heat or pressure, it becomes this
What is a metamorphic rock?
A solid ball of iron and nickel
What is the inner core?
When one plate sinks below another
What is subduction or a subduction zone?
A rupture in Earth's crust through which lava, hot ash, and gases are released
What is a volcano?
The process by which sediment moves and is deposited in a new location
What is depostion?
The rock is weathered into sediment, which later melts and is ejected from a volcano, forming a new rock.
How does a sedimentary rock become an igneous rock?
The mantle
What is the thickest layer of Earth's interior?
The process by which new oceanic crust forms when magma rise up from the mid-ocean ridge
What is Seafloor Spreading?
A large section of land that is higher than the rest, making a large "tabletop"
What is a plateau?
A landform of sediment formed where a river flows into an ocean
What is a delta?
Limestone
What kind of rock reacts with acid?