Vocab
The innermost zone of the earth's interior composed mostly of iron and nickel. It includes a liquid outer layer and a solid inner layer.
Core
In geology, the chemically distinct outermost layer of the lithosphere
Crust
Which layer of earth is composed primarily of Iron and Nickel?
A. Core
B. Crust
C. Mantle
Core
Name 2 of the 7 Major tectonic plates
Pacific plate
North american plate
Eurasian plate
African plate
Antarctic plate
Indo-Australian plate
South American plate
What kind of scale is the Richter scale
A logarithmic
A scale that measures the largest ground movement that occurs during an earthquake.
Richter scale
In geology, a place where molten material from Earth's mantle reaches the lithosphere
Hot Spot
What occurs when one plate passes under another
A. Subduction
B. Earthquake
C Divergent plate Boundaries
Subduction
What is a divergent plate boundary
Areas in which tectonic plates move away from one another
Where does a continental plate lie
Beneath a landmass
Molten Rock
Magma
The theory that the lithosphere of earth is divided into plates, most of which are in constant motion
Plate tectonics
The Hawaiian Islands were formed
A. at a divergent plate boundary
B. at a hot spot
C. at a transform fault
Hot Spot
What is a convergent plate boundary
When 2 plates are moving toward each other
Roughly how old is the Earth
4.6 Billion years old
The outermost layer of earth, including the mantle and crust
crust
The sum of the processes that build up and break down the lithosphere
Tetonic Cycle
Which rock is formed at high temperatures and pressures?
A. Extrusive igneous
B. Metamorphic
C. Sedimentary
Metamorphic
What are transform fault boundaries
Areas where 2 plates slide past each other
What is magma called when it reaches the Earths surface
Lava
The layer of earth located in the outer par of the mantle, composed of semi-molten rock.
Asthenosphere
Rock that forms when magma cools at the surface
Extrusive igneous Rock
Which meteorologist published a hypothesis that all continents were connected by a Pangaea
Alfred Wegener
What is seismic activity
The frequency and intensity of earthquakes experienced over time
How is a metamorphic rock formed
When 2 other types of rocks are subjected to high temperatures and pressure