CH 10 - EARTH SCIENCE

THERE WAS ONCE ONE CONTINENT

SO WHY DO WE NOW HAVE MANY CONTINENTS?

CHANGING OF PLATES&

MOVEMENT OF CRUST

WHAT KIND OF MOVEMENTS??

MAIN REASON

•

• STRESS

THIS PROCESS IS

• SLOW

THERE MUST BE

•PUSHING & PULLING

NAME THAT STRESS

• PUSHING & PULLING SIDEWAYS?

• SHEARING

NAME THAT STRESS

• CHANGING OR DESTRUCTION OF AN?

• DEFORMATION

NAME THAT STRESS

• PUSHING OF TWO SIDES TOGETHER?

• COMPRESSION

NAME THAT STRESS

• PULLING APART IN OPPOSITE DIRECTIONS?

• TENSION

NAME THAT STRESS

• BREAKING OF THE OBJECT…(LIKE YOUR LEG)?

• FRACTURE

FAULT

• STRUCTURE FORMED IN AREA OF EARTH THAT IS BREAKING APART

FAULTS

• THE SIDE OF THE BREAK THAT STAYS IN PLACE?

• FOOTWALL

FAULTS

• THE SIDE OF THE BREAK THAT MOVES?

• HANGING WALL

NAME THAT FAULT

• HANGIING WALL SLIDES DOWN?

• NORMAL FAULT

NAME THAT FAULT

• HANGIING WALL PUSHES UP?

• REVERSE FAULT

NAME THAT FAULT

• WALLS DO NOT MOVE UP OR DOWN… THEY TEAR ACROCC NORTH TO SOUTH?

• LATERAL FAULT

NAME THAT FAULT

• ________

• ______I I_______

• FAULT BLOCK MOUNTAIN

NAME THAT FAULT

• ______ _______

• I_____I

• RIFT VALLEY

NAME THAT FAULT

• ____ _____ _____

• I_____I I_____I

• FOLDING CAUSED BY PRESSURE

NAME THAT FAULT

• ANT. ANT. ANT.

• ____ _____ _____

• I_____I I_____I

• SYN. SYN.

• ANTICLINE- TOP

• SYNCLINE- BOTTOM

FAULT OR FOLD?

• WHEN HEATED MELT LIKE CRAYONS?

• FOLD

FAULT OR FOLD?

• ROCK IS COOL AND SNAPS?

• FAULT

FAULT OR FOLD?

• ROCK IS BRITTLE?

• FAULT

FAULT OR FOLD?

• QUICK STRESS?

• FAULT

FAULT OR FOLD?

• ELASTIC?

• FOLD

FAULT OR FOLD?

• SLOW PROCESS?

• FOLD

FAULT OR FOLD?

• PRESSURE?

• FOLD

DOME

• UPLIFTED AREA CAUSED BY MAGMA

ISOSTASY

• BALANCE BETWEEN 2 AREAS

• EXISTS BETWEEN THE MANTLE AND THE CRUST

ISOSTASY

• CRUST MOVES ON LAYER OF MAGMA MOVING SLOWLY LIKE MOLASSES

ISOSTASY

• EXPERIMENT PAGE 342