weather ing and erosion …forces changing our earth
DESCRIPTION
IT’S HAPPENING EVERYDAY, ALL DAY LONGTRANSCRIPT
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WEATHERING AND
EROSION…Forces changing our Earth
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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…
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IT’S HAPPENING EVERYDAY, ALL DAY LONG
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WATER FREEZING IN ROCKS CAUSES WEATHERING
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ROCKS BUMPING AGAINST EACH OTHER IN RIVERS IS WEATHERING
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PLANTS GROW BETWEEN ROCKS AND BREAK THEM APART
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EROSION
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THE GRAND CANYON WAS FORMED BY THE RUNNING
WATERS OF THE COLORADO RIVER
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THE WIND CAN CARRY SANDS AND ROCKS AWAY AND CARVE
BEAUTIFUL FORMATIONS
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LANDSLIDES AND ROCK SLIDES ARE EROSION…
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WEATHERING AND EROSION CAN WORK TOGETHER……..
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NOW, LET’S TAKE A QUIZ
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A RIVER GETS WIDER AS THE SIDES ARE WASHED AWAY
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WAVES POUND THE ROCKS AND BREAK THEM
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weathering
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DESERT WINDS BLOW THE LIMESTONE AWAY TO MAKE
SWIRLS IN THE LAND
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