Boundary Zones
When two plates come together
What is convergent
Name of supercontinent
What is Pangaea
This plate is part of the USA
What is the North America Plate
This is the top thin layer of the Earth that you walk on.
What is the crust?
Oceanic rock is composed of this igneous rock.
What is BASALT
Two plates sliding past each other
What is a transform boundary
Name the two continents in the southern hemisphere that match almost perfectly.
What are Africa and South America.
This is the largest plate
What is the Pacific Plate
This layer is composed of solid iron and nickel.
What is the inner core
Basalt or granite. Which is more dense?
What is basalt?
This boundary type is found in the middle of Iceland.
What is divergent?
This is the name of the northern continent once the supercontinent broke into two
What is Laurasia.
This plate is colliding into the central western part of the South America Plate
What is the Nazca Plate
This is the driving force for the movement of the crustal plates.
What are convection currents.
The average rate of late movement is between what two numbers?
What is one and two
This type of boundary is responsible for trenches
What is divergent
Rock correlation was used as evidence because he noticed that the rocks on two adjacent continents were what two things?
What is the same type and age
This plate is the only one that circles all the way around the world.
What is the Antarctica Plate
The plates are part of this upper layer ending in sphere.
What is the lithosphere
This sounding device is used to measure depth
What is SONAR.
This type of boundary is common at the New Jersey Beaches.
What is no boundary zone.
Climate was an important clue to his continental drift theory. Alfred connected it to what two objects or things?
What are coal deposits and rock striations
These two plates are in the northern Atlantic and separated by the Mid-Atlantic Ridge.
What are the North American and Eurasian Plate
Name the four main parts of the Earth from the center to the surface. Do not use any words that end in sphere.
What are the Inner Core, Outer Core, Mantle and the Crust
Calculate the time it takes a signal to reach the bottom of the ocean if the depth is 3,080 meters.
What is 2 seconds.