Name:
Section 1 Review
Identify the plates
1. ____________________
2. ____________________
3. ____________________
4. ____________________
5. ____________________
6. ____________________
7. ____________________
8. ____________________
Multiple Choice:
___9. The theory that Earth’s crust and upper mantle are broken into sections is called ___.
a. seafloor spreading
b. plate tectonics
___10. The theory of Plate Tectonics was introduced ___ years ago.
a. 15
b. 30
c. 75
d. 100
___11. The idea that continents have moved horizontally through the seafloor is called ___.
a. continental drift b. continental slope c. magnetism
d. convection
___12. A lack of explanation for continental drift prevented many scientists from believing a
single supercontinent called ____ existed.
a. Glomar
b. Glossopteris
c. Pangaea
d. Mesosaurus
Matching:
A. all land
B. Continental Drift
C. Gondwanaland
D. Glossopteris
E. Rocks, fossil and climate
F. Laurasia
G. Alfred Wegener
___ 13. Northen Hemisphere
___ 14. Southern Hemisphere
___ 15. Pangaea
___ 16. Fern fossil found in Africa, Australia, India, South America, and Antarctica
___ 17. Clues that support continental drift
___ 18. Scientist who suggested theory of continental drift
___ 19. Movement of continents
Short Answer: Answer the following questions on the back.
20. What does the Plate Tectonic theory state?
21. How and where did Wegener die? What was he doing?
22. How did the discovery of Glossopteris support Wegener’s continental drift hypothesis?
23. Why did other scientist criticize Wegener and his theory?
Name:
Section 2 Review
Identify the layers of the Earth
Inner Core
Lithosphere
Outer Core
Lower Mantle
Asthenosphere
1. _____________________
2. _____________________
3. _____________________
4. _____________________
5. _____________________
Multiple Choice:
___ 6. The solid center of Earth is the_____.
a. inner core
b. asthenosphere
c. lithosphere
d. mantle
___ 7. The ____ is the largest layer inside Earth.
a. inner core
b. outer core
c. mantle
d. crust
___ 8. The ____ is the thinnest layer of Earth.
a. inner core
b. crust
c. mantle
d. outer core
___ 9. The crust and upper mantle make up Earth's ____ .
a. lithosphere
b. asthenosphere
c. shield
d. continents
___ 10. Convection currents can not take place without ____.
a. light
b. fire
c. heat
d. water
___ 11. The lithosphere is composed of the ____ .
a. plates and seafloor
b. crust and upper mantle
___ 12. Plates float on the ____ .
a. asthenosphere
b. lithosphere
___ 13. Scientists think plates are moved by ____.
a. convection currents
b. volcanoes
___ 14. The Earth’s magnetic field is created in the _____.
a. crust
b. inner core
c. outer core
d. mantel
Matching
A. Mohorovicic Discontinuity
B. plasticity
C. convection currents
D. asthenosphere
E. Core
F. Residual heat
G. oxygen
H. Outer core
I. Guttenberg Discontinuity
J. mantle
K. inner core
___ 15. gravitational energy left over from the formation of the Earth
___ 16. The innermost two layers of the Earth are called the _____.
___ 17. Earth's thick, plastic-like layer is the _____.
___ 18. Earth's mantle is made mostly of silicon, magnesium, iron, calcium and __.
___ 19. The transition zone between the asthenosphere and the crust.
___ 20. The transition zone between the mantle and the core.
___ 21. Solids that flow like a liquid have this.
___ 22. Believed to be the driving mechanism of the Earth’s plates
___ 23. 2,900 km thick
___ 24. 2,200 km thick
___ 25. 1,250 km thick
Short Answer:
26. Why is the inner core thought to be solid?
27. How do scientist believe the plates move? Explain.
28-35 Fill in the Table with the correct Information
Layer
Crust
Mantle
Outer Core
Inner Core
Depth
What is it made up of?
Name:
Section 3 Review
Multiple Choice
___ 1. A tectonic plate is also called a ______ plate.
a. atmospheric
b. lithospheric
c. asthenosperic
___ 2. Continental crust is composed of _____ rocks.
a. granitic
b. basaltic
___ 3. Oceanic crust is composed of ______ rocks.
a. granitic
b. basaltic
___ 4. The area where a plate descends is a ____.
a. convergent boundary
b. subduction zone
___ 5. The youngest material of the ocean floor is found at mid-ocean ____.
a. rifts
b. basins
c. trenches
d. ridges
___ 6. Ocean floor plates are ____ than continental plates.
a. thicker
b. slower
c. older
d. thinner
___ 7. The formation and alignment of new iron minerals reflect the fact that Earth's ____ has
reversed itself several times in its past.
a. magnetic field
b. core
c. asthenosphere
d. gravity
___ 8. The Glomar Challenger aided the theory of plate tectonics by providing ___.
a. high altitude photos of existing continents
b. samples of sediment cores from different locations between S. American and Africa
c. samples of younger rock away from mid-ocean ridges
d. direct measurements of the movement of continents
___ 9. In towing magnetometers across the ocean floor, scientists found ____ bands of
magnetism.
a. very weak
b. alternating
c. no
d. rectangular
___ 10. Sea-floor spreading occurs because ____.
a. new material is being added to the asthenosphere
b. earthquakes break apart the ocean floor
c. sediments accumulate at the area of spreading
d. molten material in the mantle rises to the surface
True or False
___ 11. Continental plates are primarily covered by a landmass.
___ 12. The crust under the continents is thinner than the crust under the ocean.
___ 13. Continental plates are more dense than the oceanic plates.
___ 14. Oceanic plates are primarily covered by oceans.
___ 15. Oceanic plates are more dense than continental plates.
___ 16. Earthquakes and volcanoes are concentrated near plate boundaries.
Matching
A. Magnetic
B. 200 million years
C. Glomar Challenger
D. Trench
E. Harry Hess
F. Away from the mid-ocean ridge
G. Molten material in the mantle
H. Nearest to ridge
I. Sea-floor spreading
___ 17. An underwater mountain range
___ 18. Person who suggested theory of sea-floor spreading
___ 19. Material that rises to surface at mid-ocean ridge
___ 20. Direction in which ocean floor moves
___ 21. Where the seafloor is forced down into the mantle
___ 22. Research ship
___ 23. Age of oldest seafloor rocks
___ 24. Age of oldest continental rocks
___ 25. Location of youngest seafloor rocks
___ 26. Rock containing iron
___ 27. Poles that reverse themselves
___ 28. Machine that records magnetic data
___ 29. Process that forms new seafloor
Short Answer
30. What theory was Hess instrumental in developing?
31. How does Hess say seafloor-spreading works?
J. Mid-ocean ridge
K. Magnetometer
L. 4 billion years
M. Basalt
Name:
Section 4 Review
Identify each Number
1. ___
A. Convection Currents
2. ___
B. Subducting Plate that is melting
3. ___
C. Divergent Plate Boundary
4. ___
D. Convergent Plate Boundary
5. ___
E. Volcanoes
6. ___
F. Less Dense magma that is rising
7. ___
G. Continental Plate
8. ___
H. Transform Fault Boundary
9. ___
I. Trench
Multiple Choice
___ 10. There are _____ types of plate boundaries.
a. 2
b. 3
c. 4
d. 5
___ 11. Plates can ____.
a. pull apart, collide, and move past one another
b. erupt and form precipitation
___ 12. The boundary between two plates that are moving apart is a ____ boundary,
a. convergent
b. divergent
___ 13. When ocean plates collide with continental plates, the denser ocean plate ____
a. sinks
b. rises
___ 14. A ____ is created where one plate moves under another.
a. mantle
b. trench
___ 15. A subducted plate melts, forming ____.
a. magma and volcanic mountains
b. the lithosphere
___ 16. Two continental plates may collide and cause ____,
a. glaciers
b. earthquakes
___ 17. A place where plates slide past one another is a____.
a. divergent fault
b. transform fault
___ 18. The Himalayas were formed at a ____ .
a. convergent boundary
b. transform fault
___ 19. The ____ are mountains formed by the collision of the Indian plate and the Asian plate.
a. Alps
b. Rockies
c. Himalayas
d. Appalachians
___ 20. Plates move apart at_____ boundaries.
a. convergent
b. stable
c. divergent
d. volcanic
___ 21. Where plates move past one another, ____ occur.
a. volcanoes b. deep-focus earthquakes
c. transform faults
d. ocean trenches
___ 22. The boundaries between two colliding plates are called ____.
a. divergent
b. convergent
c. a transform fault
d. lithosphere
Matching
___ 23. Sierra Nevadas
___ 24. San Andreas Fault
___ 25. Himalayas
___ 26. Shear Forces
___ 27. Compression Forces
___ 28. Tension Forces
___ 29. Mid-Atlantic
___ 30. Andes Mts.
___ 31. Great Rift Zone in Africa
___ 32. Mediterranean-Alpine Region
A. Divergent Boundary
B. Convergent Boundary
C. Transform Boundary
D. Plate Boundary Zone
Short Answer: Answer the following questions on another sheet of paper.
33. What geologic activities occur along the boundaries where tectonic plates meet?
34. What is the name of the geologic feature that results when the tops of underwater mountains
rise above sea level? Give an example.
35. What tectonic activity occurs in a subduction zone?
36. What two types of plates come together in a subduction zone?
37. In a subduction zone, which of the two plates goes under the other plate? Explain why.
38. What geologic activity occurs when two continental plates converge? Give an example.