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Name ______________________________ Class ___________________ Date __________________ Activity Vocabulary Activity Got the Shakes? After you finish reading the chapter, try this puzzle! ACROSS 3. break in Earth’s crust along which portions of Earth’s crust move relative to one another 4. the study of earthquakes 5. point inside Earth where an earthquake begins 8. point on Earth’s surface directly above an earthquake’s starting point 10. the fastest seismic waves 11. secondary seismic waves 12. theory that sections of active faults that have had few earthquakes are likely to be sites of strong earthquakes in the future 13. tracing of earthquake motion created by a seismograph DOWN 1. change in shape of rock due to stress 2. sudden return of elastically deformed rock to its undeformed shape 6. waves of energy that travel through Earth 7. instrument that records seismic waves 9. area along a fault where few earthquakes have happened recently but where strong earthquakes have happened before Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor. Holt Science and Technology 71 Earthquakes Name ______________________________ Class ___________________ Date __________________ Vocabulary Activity continued Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor. Holt Science and Technology 72 Earthquakes