General Geology Crossword Puzzle

QUESTIONS LIST:

• pangaea : all of the present-day continents were once part of a single supercontinent called
• seismogram : reflects the changing intensity of the vibrations by responding to the motion of the ground surface beneath the instrument.
• surface waves : strongest vibrations and probably cause most of the damage done by earthquakes.
• body wave : composed of two principal types; the p (primary) wave and s(secondary) wave.
• seismologist : studies earthquakes and their waves to figure out the earth's structure and composition.
• intensity : severity of an earthquake considering its effects on people, structures and landscapes.
• magnitude : it's the size of an earthquake.
• seismograph : measures the degree of shaking caused by an earthquake.
• landslide : occur when masses of rock, earth material, or debris flows move down a slope due to gravity.
• avalanche : occurs when a layer of snow collapses and slides downhill.
• volcano : an opening in the earth surface through which the magma, volcanic ash and gases discharge.
• vulcan : also known as the roman god of fire.
• magma chamber : a reservoir of magma beneath the earth surface.
• volcanism : eruption of molten rocks onto the surface.
• lava : the magma reaches the surface during the eruption.
• pahoehoe : the type of lava that is smooth, lobed and sometimes ropey.
• pillow lava : the type of lave that forms a large rounded blobs when lava erupts under the water.
• pumice : the violent separation of gas from lava may produce rock froth called
• cinder cone : the type of volcano that has steep slope and a wide crater.
• phreatic : it is a stream-driven eruption as the hot rocks come in contact with water.
• plinian : the most powerful eruptions and involve the explosive ejection of relatively viscous lava.