Download Plate Tectonics Assignment 1

Plate Tectonics Assignment 1
Name ______________
1.
The cross section below shows the direction of movement of an oceanic
plate over a mantle hot spot, resulting in the formation of a chain of
volcanoes labeled A, B, C, and D. The geologic age of volcano C is shown.
What are the most likely geologic ages of volcanoes B and D?
a.
b.
c.
d.
B is 5 million years old and D is 12 million years old.
B is 2 million years old and D is 6 million years old.
B is 9 million years old and D is 9 million years old.
B is 10 million years old and D is 4 million years old.
2.
Mid-ocean ridges (rifts) normally form where tectonic plates are
a. converging
b. diverging
c. stationary
d. sliding past each other
3.
A drill rig is used to collect rock samples. The rock samples collected from
the bottom of the drill hole came from which Earth layer?
a. lithosphere
b. asthenosphere
c. hydrosphere
d. mantle
4.
The diagram below shows some features of Earth’s crust and upper mantle.
Which model most accurately shows the movements (arrows) associated
with the surface features shown in the diagram?
a.
b.
c.
Use the following information to answer the next two questions.
5.
Where would the hottest crustal rocks be found?
a. A
b. B
c. C
d. D
6.
Where would the oldest ocean crustal rocks be found?
a. A
b. B c. C d. D e. the crust is all the same age.
d.
7.
What type of plate boundary is shown below?
a. mid ocean ridge
b. subduction zone
c. transform fault
d. ocean trench
e. divergent plate boundary
f. convergent plate boundary
8.
Oceanic crust and the continental crust make up the layer of Earth called
the
a.
b.
c.
d.
9.
asthenosphere
lithosphere
mesosphere
stratosphere
The diagram below shows the arrangement of some of the continents some
time in the geologic past. What tectonic feature separated the continents?
a.
b.
c.
d.
subduction zones
convergent plate boundaries
transform faults
mid-ocean ridges