1. Name:____________________ Date;____/____/____
Earth Science Rabbi Goldberg
Dynamic Crust
Vocabulary
1. _______________- solid rock outer zone of the earth
2. _______________- Earth movement resulting in the a change of
position of rock layers
3. ________________- bend in the rock layers made during the
mountain building process
4. _________________ crack in the crust of the Earth
5. _________________- layers of rock materials
6. __________________- sinking or settling of rock strata
7. __________________- permanent brass or cement marker in the
ground to help measure Earth movement.
8. __________________ - large pieces of Earth crust
9. ___________________- sudden trembling or shaking of the ground
caused by a movement along a fault in rock layers
10. ___________________- point of origin of an Earthquake
11. ___________________- point in the Earth’s surface directly above
the focus
I. Crustal Activity
a. Introduction
i. The crust is the __________________________________
_______________________________________________.
ii. This crust is ____________________________________.
1. There is proof that __________________________
___________________________________________
a. Some of these changes can be directly
observed such as
i. ________________________
ii. ________________________
b. Dynamic Lithosphere
i. The lithosphere is _________________________________
________________________________________________
ii. It is always _____________________
1. This is to maintain ___________________________
2. Dynamic equilibrium is ______________________
___________________________________________
iii. These include
1. ________________________
2. ___________________________________________

2. c. Deformed rock Strata
i. Sedimentary rocks appear to ________________________
________________________________________________
ii. However, if we look carefully ________________________
________________________________________________
1. These changes include
a. __________________-___________________
_____________________________________
_____________________________________
b. __________________- __________________
_____________________________________
c. ___________________-_________________
____________________________________
iii. Displaced fossils
1. marine fossils suggests _______________________
2. The proof
a. _____________________________________
_____________________________________
_____________________________________
_____________________________________
_____________________________________
_____________________________________
iv. Subsidence
a. is the ________________________________
_____________________________________
b. The proof ____________________________
_____________________________________
_____________________________________
_____________________________________
_____________________________________
_____________________________________
_____________________________________
_____________________________________.
v. Displaced Strata
a. Strata is ______________________________
b. _____________________________________
_____________________________________
_____________________________________
vi. Horizontal Displacement ( faulting)
a. This happens when ____________________
_____________________________________
_____________________________________

3. vii. Vertical displacement
1. this happens when __________________________
___________________________________________
___________________________________________
a. ex:___________________________________
_____________________________________
_____________________________________
_____________________________________
viii. Benchmarks
1. Benchmarks are the __________________________
___________________________________________
___________________________________________
d. Areas of Crustal Activity
i. _______________ &______________ occur mainly in
specific zones or regions
ii. Usually along the borders ___________________________
________________________________________________
1. most of the zones are along the borders of the Pacific
Ocean
iii. These zones mark the boundaries of large pieces of the
earth’s crust called ___________________________.
iv. An Earthquake is _________________________________
________________________________________________
________________________________________________
________________________________________________
v. When an earthquake occurs _________________________
________________________________________________
vi. Focus-________________________________________
vii. Epicenter______________________________________
viii. Seismograph- __________________________________