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