At this boundary, new crust is created as one or more plates pull away from each other. Oceans are born and grow wider where plates diverge or pull apart
What is a divergent boundary
200
The large slabs of rock that make up the Earth’s crust
What are tectonic plates?
200
the super-continent that existed about 250 million years ago,
What is Pangea
200
The movement of earths continent
What is continental drift?
200
Northeastern plate
What plate do we live on?
300
Here crust is destroyed and recycled back into the interior of the Earth as one plate dives under another.
What is a convergent boundary?
300
Seafloor spreading occurs along this.
What are mid ocean ridges?
300
The theory of how the continents move.
What is Continental Drift?
300
Hot rock in the core turns to ______ which can rise up through the cooler rocks above.
What is magma?
300
Califronia
What state has the most earthquakes?
400
When mountains and volcanoes are often found where plates converge.
What is a Subduction Zone?
400
As they slowly move away from each other beneath the ocean floor, hot magma from the Earth’s ______ bubbles to the surface.
What is the mantle
400
Fossils
Satellite images
Fit together like a puzzle
Climate
What are evidence that the continents were once together?
400
This rises up through the mantle and spreads out on the surface to form the ocean floor.
What is magma?
400
Transform boundaries carry this kind of force
What is shear
500
Where two plates are sliding horizontally past one another.
What is a transform boundary?
500
Large mountain ranges rising from the ocean floor.
What is a mid ocean ridge?
500
Formed about 250 million years ago
What is Pangea
500
This is formed by continual drift?
What are volcanoes?
500
Divergent boundaries pull apart, which is also known as this.