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Geography
Plate boudaries
Term | Definition |
---|---|
Acidic lava | Thick viscous lava which flows short distances |
Basic lava | Thin , runny lava which can flow long distances |
Composite Volcano | Steep sided cone with layers of ash and lava |
Core | The centre of the earth |
Crater | The mouth of the volcano |
Crust | The thin layer of the earth's surface |
Epic centre | The point within the earth's crust where the earthquake occurred |
Focus | The point on the earth's surface directly above the epicentre |
Fold Mountains | Mountains formed by the earth's movements |
Richter Scale | This measures the strength of the earthquake |
Tsunami | Huge tidal waves that are caused by submarine earthquakes |
Vent | The opening through which the lava flows in a volcano |
Volcano | A cone shaped mountain created by lava and ash being erupted from the earth |