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3.
On the grid provid
ed below, draw a profile of the landscape along the bicycle trail
from point P to point Q by following the directions in a and b.
a
Plot the elevation along line PQ
by marking with a dot each point where a
contour line is crossed by line PQ
. Point P and point Q have been plotted for
you. [2]
b
Connect the dots to complete the profile. [1]
4.
The students decided to measure the speed of the stream by floating apples down
a straight section of the stream. Describe the steps the students must take to
determine the stream’s surface rate of movement (speed) by using a stopwatch, a
10
-foot rope, and several apples. Include the equation for calculating rate. [3]
5.
While exploring the stream, a student found a rock containing a trilobite fossil.
Name the most likely type of rock this student found. [1]
6.
State the geologic era during which the rock containing the trilobite was most
likely formed. [1]