WEATHER ING AND EROSION …Forces changing our Earth
OUR WORLD IS CONSTANTLY CHANGING… Mountains crack and rocks fall down the slopes… Rivers get bigger and faster… Sand dunes grow and move across the deserts… Caves are growing bigger… Canyons are getting wider…
IT’S HAPPENING EVERYDAY, ALL DAY LONG
WATER FREEZING IN ROCKS CAUSES WEATHERING
ROCKS BUMPING AGAINST EACH OTHER IN RIVERS IS WEATHERING
PLANTS GROW BETWEEN ROCKS AND BREAK THEM APART
EROSION
THE GRAND CANYON WAS FORMED BY THE RUNNING WATERS OF THE COLORADO RIVER
THE WIND CAN CARRY SANDS AND ROCKS AWAY AND CARVE BEAUTIFUL FORMATIONS
LANDSLIDES AND ROCK SLIDES ARE EROSION…
WEATHERING AND EROSION CAN WORK TOGETHER……..
NOW, LET’S TAKE A QUIZ
A RIVER GETS WIDER AS THE SIDES ARE WASHED AWAY
WAVES POUND THE ROCKS AND BREAK THEM
weathering
DESERT WINDS BLOW THE LIMESTONE AWAY TO MAKE SWIRLS IN THE LAND