Dynamic earth
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  • 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- __________________________________