What is the epicenter?
the point on the Earth's surface directly above the focus of an earthquake.
What is a fault?
Crack in the Earth's surface along which movement takes place
What is the focus?
Point underground where the faulting in an earthquake occurs
What is magma?
Melted rock below the Earth's surface; called lava at the surface.
What are seismic waves?
Waves of energy sent through Earth's crust when parts of the crust move suddenly.
What is a volcano?
an opening in Earth's surface through which melted rock, hot gases, rock pieces, and ash burst forth, or erupt
What are destructive process?
processes that destroy landforms. – 2 types: Slow (weathering) and Fast (Erosion) – Ex. landslides, volcanic eruptions, earthquakes, floods.
What are constructive processes?
Shape the surface of the Earth, by building up Mountains and Landmasses
What is a seismograph?
are instruments used to record the motion of the ground during an earthquake.
