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QuestionAnswer
scientfic law is a statement based on repeated experimental observations that describes some aspects of the universe.
scientific therory
unconformaties is a contact between two rock units in which the upper unit is usually much younger than the lower unit.
pangea is a hypothetical supercontinent that included all current land masses, believed to have been in existence before the continents broke apart during the Triassic and Jurassic Periods.
listospehere the rigid outer part of the earth, consisting of the crust and upper mantle.
asthesphere he upper layer of the earth's mantle, below the lithosphere, in which there is relatively low resistance to plastic flow and convection is thought to occur.
convection currents a current in a fluid that results from convection.
seismograph an instrument that measures and records details of earthquakes, such as force and duration.
plateues an area of relatively level high ground.
countour lines line on a map joining points of equal height above or below sea level.
solstices either of the two times in the year, the summer solstice and the winter solstice, when the sun reaches its highest or lowest point in the sky at noon, marked by the longest and shortest days.
equinox the time or date (twice each year) at which the sun crosses the celestial equator, when day and night are of equal length
Created by: cwrigh462