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CH 10 - EARTH SCIENCE THERE WAS ONCE ONE CONTINENT.

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Presentation on theme: "CH 10 - EARTH SCIENCE THERE WAS ONCE ONE CONTINENT."— Presentation transcript:

1

2 CH 10 - EARTH SCIENCE

3 THERE WAS ONCE ONE CONTINENT

4 SO WHY DO WE NOW HAVE MANY CONTINENTS?

5 CHANGING OF PLATES & MOVEMENT OF CRUST

6 WHAT KIND OF MOVEMENTS??

7 MAIN REASON STRESS

8 THIS PROCESS IS SLOW

9 THERE MUST BE PUSHING & PULLING

10 NAME THAT STRESS PUSHING & PULLING SIDEWAYS? SHEARING

11 NAME THAT STRESS CHANGING OR DESTRUCTION OF AN? DEFORMATION

12 NAME THAT STRESS PUSHING OF TWO SIDES TOGETHER? COMPRESSION

13 NAME THAT STRESS PULLING APART IN OPPOSITE DIRECTIONS? TENSION

14 NAME THAT STRESS BREAKING OF THE OBJECT…(LIKE YOUR LEG)? FRACTURE

15 FAULT STRUCTURE FORMED IN AREA OF EARTH THAT IS BREAKING APART

16 FAULTS THE SIDE OF THE BREAK THAT STAYS IN PLACE? FOOTWALL

17 FAULTS THE SIDE OF THE BREAK THAT MOVES? HANGING WALL

18 NAME THAT FAULT HANGIING WALL SLIDES DOWN? NORMAL FAULT

19 NAME THAT FAULT HANGIING WALL PUSHES UP? REVERSE FAULT

20 NAME THAT FAULT WALLS DO NOT MOVE UP OR DOWN… THEY TEAR ACROCC NORTH TO SOUTH? LATERAL FAULT

21 NAME THAT FAULT ________ ______I I_______ FAULT BLOCK MOUNTAIN

22 NAME THAT FAULT ______ _______ I_____I RIFT VALLEY

23 NAME THAT FAULT ____ _____ I_____I FOLDING CAUSED BY PRESSURE

24 NAME THAT FAULT ANT. ____ _____ I_____I SYN. ANTICLINE- TOP SYNCLINE- BOTTOM

25 FAULT OR FOLD? WHEN HEATED MELT LIKE CRAYONS? FOLD

26 FAULT OR FOLD? ROCK IS COOL AND SNAPS? FAULT

27 FAULT OR FOLD? ROCK IS BRITTLE? FAULT

28 FAULT OR FOLD? QUICK STRESS? FAULT

29 FAULT OR FOLD? ELASTIC? FOLD

30 FAULT OR FOLD? SLOW PROCESS? FOLD

31 FAULT OR FOLD? PRESSURE? FOLD

32 DOME UPLIFTED AREA CAUSED BY MAGMA

33 ISOSTASY BALANCE BETWEEN 2 AREAS EXISTS BETWEEN THE MANTLE AND THE CRUST

34 ISOSTASY CRUST MOVES ON LAYER OF MAGMA MOVING SLOWLY LIKE MOLASSES

35 ISOSTASY EXPERIMENT PAGE 342


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