Download - Unit8ppt6thgrade
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R O C K S U N I T 8 6 T H G R A D E O F P . E .
R O C K S
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R O C K S C H A N G E . T H E Y A R E C O N T I N U A L L Y :
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F O R M I N G
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E R O D I N G
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M O V I N G F R O M P L A C E T O P L A C E .
A N D
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• Those changes are very slow.( over millions of years)
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T H E E A R T H ’ S I N T E R I O R
• is very hot.
• The heat inside the Earth melts rocks.
• These melted rocks can form VOLCANOES and cause EARTHQUAKES.
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R O C K S M E L T A N D F O R M V O L C A N O E S
Melted rock=MAGMA
magmamagma chamber
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T H E H E A T I N S I D E T H E E A R T H C A U S E S E A R T H Q U A K E S .
• Earthquakes are movements on the Earth’s surface.
• Volcanoes and earthquakes change landscapes . Like the picture.
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magma
earthquakes
volcano