Test Review 5
1.What boundaries do each of the following
happen at?
A. Grind past each other: Transform
B. Earthquakes: all boundaries
C. Volcanoes: convergent and divergent
D.Volcanic mountain ranges: oceaniccontinental convergent
E. Volcanic arch islands: oceanic-oceanic
convergent
F. Continental mountain ranges: continentalcontinental convergent
G.Rift valleys: divergent
H.Mid-ocean ridges: divergent
I. Subduction zones: oceanic-continental
and oceanic-oceanic convergent
J. Both earthquakes and volcanoes:
divergent, oceanic-oceanic, oceaniccontinental
K. Only earthquakes: transform, continentalcontinental convergent
L. Seafloor spreading: divergent
M. Ocean trenches: oceanic-continental and
oceanic-oceanic convergent
N. Produces the greatest number of earth
quakes: convergent
2. Alfred Wegener proposed the theory of continental
drift.
3. His theory was not accepted at the time because he
could not explain HOW the plates moved
4. Plates move because of convection currents in the
mantle
5. Scientists used sonar to discover the mid-Atlantic
ridge
6. Harry Hess discovered seafloor spreading that
helped bring back Alfred’s theory of continental drift
7. The outer core of the Earth creates the magnetic
field
8. The seafloor gets older as you move away from the
mid-ocean ridge
9. Subduction is when one plate sinks below another
plate
10. Scientists use the location of earthquake and
volcanoes to find the plate boundaries
11. The theory of plate tectonics was proposed in the
1960’s
12. The 5 lines of evidence for the theory of plate
tectonics are…
a. Coastlines match up
b. Fossils found on distant continents
c. Mountain ranges continue on distant continents
d. Seafloor spreading
e. Paleomagnetism
Draw a diagram of the way convection currents are
going when plates converge.
Draw a diagram of the way convection currents are
going when plates diverge.
Draw a picture of a divergent boundary. Include the
following: magma, rift valley, mid-ocean ridge,
oceanic crust, lithosphere, asthenosphere and arrows
in the direction of movement
Draw a picture of oceanic-oceanic convergent boundaries.
Include magma, subduction zone, trench, lithosphere,
asthenosphere, oceanic crust, volcanic arch islands and
arrows in the correct direction of movement
Draw a picture of oceanic-continental convergent
boundaries. Include magma, subduction zone, trench,
lithosphere, asthenosphere, oceanic crust, continental
crust, volcanic mountain ranges and arrows in the correct
direction of movement
Draw a picture of continental-continental convergent
boundaries. Include: lithosphere, asthenosphere,
continental crust, continental mountain ranges and
arrows in the correct direction of movement
Draw a picture of transform plate boundaries. Include
lithosphere, asthenosphere, and arrows in the correct
direction of movement