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Across 7. THE FORCE PER UNIT AREA ACTING ON A SOLID. 8. A CRUSTAL BLOCK BOUNDED BY FAULTS, WHOSE GEOLOGIC HISTORY IS DISTINCT FROM THE HISTORIES OF ADJOINING CRUSTAL BLOCKS 12. PROCESS OF ESTABLISHING A NEW LEVEL GRAVITATIONAL EQUILIBRIUM. 17. A FOLD IN SEDIMENTARY ATRATA RESEMBLING AN ARCH. 18. AN ELONGATED, UPLIFTED BLOCK OF CRUST BOUNDED BY FAULTS. 19. THE PROCESS THAT COLLECTIVITY RESULT IN THE FORMATION OF MOUNTAINS 20. A LARGE STEPLIKE FOLD IN OTHERWISE HORIZONTAILSEDIMENTARY STRATA.

Down 1. A MOUNTAIN FORMED WHEN LARGE BLOCKS OF CRUST ARE TILTED, UPLIFTED, OR DROPPED BETWEEN LARGE NORMAL FAULTS. 2. A VALLEY FORMED BY THE DOWNWARD DISPLACEMENT OF A FAULT BOUNDED BLOCK 3. A MOUNTAIN CREATED PRIMARILY BY COMPRESSIONAL STRESS , WHICH CREATE FOLDS IN THE ROCK LAYERS. 4. A REVERSE FAULT WITH A DIP LESS THAN 45 DEGREES, NORMALLY ABOUT 10-15 DEGREES. 5. A FAULT ALONG WHICH THE MOVEMENT ID HORIZONTAL AND PARLLEL TO THE TREND OF THE FAULT . 6. A FAULT IN WHICH THE ROCK ABOVE THE FAULT PLANE HAS MOVED DOWN RELATIVE TO THE ROCK BELOW. 9. A LARGE WEDGE-SHAPED MASS OF SEDIMENT THAT ACCUMULATES IN SUBDUCTING OCEANIC PLATE AND ACCRETED TO THE OVERRIDING CRUSTAL BLOCK. 10. A FAULT IN WHICH THE MATERIAL ABOVE UP IN RELATION TO THE MATERIAL BELOW. 11. THE CHANGE IN THE SHAPE OR VOLUME OF A BODY OF ROCK AS A RESULT OF STRESS. 13. GENERAL TERMSFOR THE PROCESSES OF FOLDING,FAULTING, SHEARING COMPRESSION, OR EXTENTION OF ROCKS AS THE RESULT OF VARIOUS NATURAL FORCES. 14. PROCESS THAT OCCURS WHEN CRUSTAL FRAGMENTS COLLIDE WITH AND STAY CONNECTED TO A CONTINENTAL PLATE. 15. A LINEAR DOWNFOLD IN SEDIMENTARY STRATA; THE OPPOSITE OF ANTICLINE. 16. THE CONCEPT TAHT EARTH'S CRUST IS FLOATING IN GRAVITATIONAL BALNCE UPON THE MATERIAL OF THE MANTLE