Volcanoes
Mountains
Earthquakes
Plate Tectonics
Miscellaneous
100
Magma that has reached Earth's surface.
What is lava?
100
A mountain that forms as continental crust crumples and bends into folds.
What is a folded mountain?
100
An instrument that constantly records ground movements
What is a seismograph?
100
A ball of hot, solid metals.
What is the inner core?
100
A theroy that Earth's continents were once joined in a single landmass and gradually drifted apart
What is continental drift?
200
Place where magma is stored
What is a magma chamber?
200
Mountains that form as blocks of rock move up or down along normal faults
What is a fault-block mountain?
200
The point on Earth's surface directly above the focus
What is the epicenter?
200
A layer of liquid metals that surrounds the inner core
What is the outer core?
200
A layer of hotter, softer rock in the upper mantle
What is the astenosphere?
300
The opening in which lava flows
What is a vent?
300
Most moutain belts are located in this area
What is a tectonic plate boundaries?
300
A monster wave triggered by an earthquake
What is a tsunami?
300
The Earth's thickest layer, made of hot rock that is less dense than the metallic core
What is the mantle?
300
The lithosphere is broken up into many of these large and small slabs of rock.
What is tectonic plates?
400
An opening in Earth's crust through which molten rock, rock fragments, and hot gases erupt
What is a volcano?
400
Formed by a collision between India and Eurasia
What is the Himalaya belt?
400
A process in which shaking of the ground causes soil to act like a liquid
What is liquefaction?
400
A thin layer of cool rock, it surrounds Earth like a shell surrounds an egg
What is the crust?
400
A hot spring that shoots water into the air
What is a geyser?
500
Occurs when magma comes near water or into contact with it
What is steam explosions?
500
A fault block-mountain range in California
What is the Sierra Nevada?
500
Shaking of the ground caused by the sudden movement of large blocks of rock along a fault
What is an earthquake?
500
Forms the Earth's crust and the very top of the mantle together
What is the lithosphere?
500
A dense cloud of superheated gases and rock fragments that moves quicky downhill from an erupting volcano
What is a pyroclastic flow?
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