Name(s): _________________________________________________________________________________
Date: ________________ Hour: _______________
Plate Tectonics Practice
Directions: Choose the word or phrase that best completes the sentence or answers
the question. You may use your textbook for CH 4 on Plate Tectonics Pgs. 96-103 for
extra help.
1. Earth’s crust is made up of five layers. They are the
A. hydrosphere, atmosphere, troposphere, outer core, and inner core
B. stratosphere, ionosphere, troposphere, outer core, and inner core
C. lithosphere, asthenosphere, outer core, and inner core
D. tsunami, mantle, ionosphere, outer core, and inner core
2. The rocky portion of Earth’s crust just below the surface is called Earth’s
A. mantle
B. core
C. tsunami
D. magma
3. The outer layer of Earth’s crust is made up of huge pieces of rock called
A. geologic faults
B. tectonic plates
C. magma
D. tsunamis
4. The borders, or cracks, between tectonic plates are called
A. lithospheres
B. synclines
C. anticlines
D. geologic faults
5. Tectonic plates move due to
A. earthquakes
B. tsunamis
C. heated currents deep within Earth
D. mountains
6. The Earth is made up of three layers called ________________, ________________, and
_________________ based on the chemical composition.
7. The Earth is made up of five main physical layers: ____________________________,
____________________________, ____________________________, ____________________________, and
____________________________.
8. The crusts in tectonic plates include both ______________________________ and
__________________.
9. Knowledge about the layers of the Earth comes from the study of
_________________________ caused by earthquakes.
Answer Key:
1. C
2. A
3. B
4. D
5. C
6. crust, mantle, core
7. Lithosphere, asthenosphere, mesosphere, outer core, and the inner core
8. seismic waves