Unit8ppt6thgrade

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

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 :

F O R M I N G

E R O D I N G

M O V I N G F R O M P L A C E T O P L A C E .

•  Those changes are very slow.( over millions of years)

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.

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

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.

earthquakes

volcano

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