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Content Review Quiz

Dynamic Earth Exam 2

QuestionAnswer
What is the gradient formula? Change in elevation divided by the in-channel distance
What is the sinuosity formula? In-channel distance divided by straight line distance *use the same in-channel distance that you used in the gradient formula
How do you find the in-channel distance? You follow the path of the stream, curving where it curves
How do you find straight line distance? You go from point A to point B, clicking on both locations creating a straight line
What is the change in elevation? The elevation of point A and point B. You subtract point B from point A
Look over relative dating look over the parent isotope table
What is the parent isotope? The unstable, OG isotope (radioactive)
What is the daughter isotope? The parent isotope after it has decayed
What is the slump? Soil and rock, not just CURVED
What is the toe? Bottom of the slump
What is the scarp? Start of the slump, curved
What does the scarp and toe show? Previous movements
What do creeps have? Clay or shale
Look over mass movements if you want
A stream is a meander if... the sinuosity is greater than 1.5
A stream is a straight channel... the sinuosity is less than 1.5
What does a dendritic drainage pattern look like? Tree
What does a trellis drainage pattern look like? Ladder rungs without one side; these are tilted or folded
What does a radial drainage pattern look like? Sprouts from the center of volcanoes
How do you calculate the rate of erosion? How far the stream migrated between two time periods divided by the number of years between the two images
What do the dashed vertical lines on a seismogram mean? A minute has passed
What materials make good aquifers? Sandstone, sand, gravel, limestone
What materials make bad aquifers? Shale, clay, granite, schist
Created by: user-1965680
 

 



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