Vocabulary
A volcano that is made up of thick magma, volcanic debris, AND many layers of rock.
What is a composite volcano?
The layer that has convection currents which move tectonic plates.
What is the mantle
The name of the supercontinent that contained all landmasses in one giant piece millions of years ago.
What is Pangea?
Earthquakes and Volcanoes are usually located in these places.
What is a plate boundary?
The type of volcano that is steep, small, and made of ash and volcanic debris.
What is a cinder cone volcano?
The layer of Earth that makes up the surface and the tectonic plates.
What is the crust?
The evidence that supported continental drift theory.
What are (mountain chains, fossil matches, puzzle piece continents)?
The type of boundary found in the middle of an ocean.
What is a divergent boundary?
What are the seismic/earthquake waves?
The composition of the layer that sits below the mantle.
What is magma?
The creation of new seafloor by way of a divergent boundary.
What is seafloor spreading?
The type of boundary that has only a fault line and major earthquakes.
What is a transform boundary?
Yellowstone's type of volcano.
What is a shield volcano?
A boundary that creates new seafloor with two plates moving away from each other.
What is a divergent boundary
The type of natural disaster that also measures the inside layers of Earth.
What is an earthquake?
The discovery made by a naval officer using sonar seafloor mapping in WWII.
What are magnetic anomalies?
The type of boundary that causes deep sea trenches.
What is a convergent boundary?
The state in the midwest that has an active fault line.
What is Missouri?
A category of seismic waves that shows us what the inside of Earth looks like.
What are body waves
The type of crust that is typically more dense and tends to subduct into the mantle.
What is ocean crust?
Something that continental drift theory failed to explain.
How did the continents move?
The name of the feature that creates island chains like Hawaii.
What is a hot spot?
The name of the fault that causes earthquakes that can be felt in Iowa.
What is the New Madrid Fault?