Continental and/or oceanic crust plus a small part of the upper mantle.
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15
At which type of plate boundary do you get only earthquakes?
Transform boundary (Plates slide sideways past each other so there is no melting of rocks or gaps through which molten magma can squeeze up from below).
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15
Why is a divergent boundary also called a constructive boundary?
Magma flows up between the plates and forms new lithosphere.
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10
The Mid-Atlantic Ridge or chain of volcanoes formed underneath the Atlantic Ocean is created by what kind of plate boundary?
Divergent or constructive boundary.
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10
A land feature that is produced at a convergent boundary is
A volcanic mountain range, an arc of volcanic islands...
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10
Transform faults, such as the San Andreas Fault system in California, occur where?
Transform faults occur on boundaries where plates are sliding past each other.
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10
What happens in the boundaries where mid-ocean ridges form?
Mid-ocean ridges form on boundaries where plates are spreading apart.
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15
What is Pangea?
A single gigantic continent that existed 250 million years ago.
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15
What will you find in places where an oceanic plate subducts under a continental one?
A coastal (volcanic) mountain range
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15
Plates do not move smoothly. The rocks on either side become jammed together and incredibly large forces build up as the plates either side continue to move. When the plates finally become 'unstuck', which natural hazards occur?
Earthquakes are formed when rocks move in this way (not volcanoes).