Misc sheets Flashcards
Describe the characteristics of a composite volcano
Very thick lava, cone shaped,sticky lava doesn’t flow very far, very steep sided, big ash clouds, violent eruptions and they don’t have an ash cloud and lava in the same eruption.
What are the characteristics of a shield volcano?
Runny lava, wide bottom, don’t have ash clouds, gently sloping sides and the lava flows easily and far.
What is a conservative plate boundary?
A conservative plate boundary is where the plates slide past each other.
What is a destructive plate boundary?
A destructive plate boundary is where the heavier plate sinks under the lighter plate.
How is an earthquake caused?
Pressure builds up because of friction or the plates lock together. The pressure is released in seismic waves
