where two plates collide is called a
What is convergent boundaries
The scientist that found evidence to form the idea of the Pangea
What is Alfred Wegener
What two specific continents fit together most noticeably
What is Africa and South America
How are volcanoes form
What is when magma from within the Earth's upper mantle works its way to the surface
The geology professor that found evidence and published seafloor spreading
Harry Hess

where two plates move apart is called a
what is divergent boundary
The contents that were once together
What is Africa, South America, India, Antarctica, and Australia, Greenland
What is the force that moves the continent
What is convection
what is a plate boundary used to form a volcano
What is divergent boundary plate
What are the two kinds of crust in seafloor spreading
What is Continental Crust, Oceanic Crust
where two plates slide sideways is called a
What is transform boundary
When was Pangea form
What is 300 million years ago
what are the fossil that are evidence
What is the bone of the animals that where once togther that are now all over the world
Where do most volcanoes on Earth occur
what is along the equator
What happens to older crust
What is destryoed
The process that continually adds new crust is
What is Seafloor spreading
When does Pangea exist
What is a supercontinent during the dinosaurs were still alive
what happens when the Continental plates meet instead of drift
What is they can form things Ex. mountains
why don't hotspots rise up beneath oceanic plates.
What it does not occur at the boundaries of Earth’s tectonic plates
The seafloor spreading theory
What is the oceanic crust forms along submarine mountain zones
Subduction is when
What is the edge of the plate that moves downwards or sideways on the earth crust into the mantle
What is Pangea
What is super-continent of the past
What is the contiential where once together but then drifted away
How many types of volcano are there
What is 3 volcanoes
Why does a seafloor occur
What is the mantle's convection currents makes the crust more plastic and less dense