Plate Boundaries
The boundary moves away from each other.
What is a divergent boundary?
The innermost layer of the Earth.
What is the inner core?
The seismic wave that arrives first.
What are primary waves?
What was pangaea?
The instrument that measures and records earthquakes.
What is a seismograph?
The boundary that moves towards each other.
What is a convergent boundary?
The main resource in the crust.
What is oxygen?
The wave that arrives second.
What are secondary waves?
The wife of Alfred Wegener.
Who was Else Koppen Wegener?
The tool used for measuring magnitude of an earthquake.
The boundary that slides by each other.
What is a transform boundary?
The hottest layer of the Earth.
What is the core?
The biggest wave.
What are rayleigh waves.
The location of the 4 expeditions Alfred went on.
Where is Greenland?
A break in the Earth's crust where movement has occured.
What is a fault?
The three types of convergent boundaries.
What are continent to ocean, ocean to ocean, and continent to continent boundaries?
The layer that makes up most of the Earth.
What is the mantle?
The waves that roll along the surface of the planet.
What are surface waves?
The theory that Alfred proposed.
What is the theory of continental drift?
The point directly above the focus.
What is the epicenter?
The boundary is normally found on the ocean floor.
Where is the divergent boundary normally found?
The outermost layer of the Earth.
What is the crust?
The wave that moves side-to-side in the Earth.
What are secondary waves?
The birthplace of Alfred Wegener.
Where is Berlin?
The point of origin for all earthquakes.
What is the focus?