The Earth's Surface

Pregunta	Respuesta
Anticline	Downward fold or trough in rock
Avalanche	The rapid movement of snow down a slope
Collide	When things hit off eachother
Continental drift	The process whereby the Earth's plates move and carry the continents with them
Convection current	Circular movement of magma in the mantle, which rises, moves to the side then drops again
Core	Centre of the Earth
Crust	Outer layer of the Earth
Epicentre	The point on the Earth's surface directly above the focus of an earthquake
Focus	The location in the Earth's crust where an earthquake occurs
Lahar	A wet mass of volcanic fragments flowing rapidly downhill
Magma	Molten rock that flows in convection currents within the Earth's mantle
Molten	Made liquid by heat
Plate boundry	A place where 2 plates meet
Richter scale	A measure in intensity of earthquakes
Seismograph	An instrument which records the intensity of earthquakes
Seismologist	A person who studies earthquake activity
Separate	To come apart
Syncline	An upward fold or arch in rock
Tremor	A shaking or vibration movement
Tsunami	A large, destructive sea wave caused by an earthquake on the ocean floor
Vibration	To move back and forth, especially rhythmically and rapidly

Resumen del Recurso

	Creado por Riona Stevenson hace más de 5 años