Powerpoint for igneous rocks by sophia and danny
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Transcript of Powerpoint for igneous rocks by sophia and danny
![Page 1: Powerpoint for igneous rocks by sophia and danny](https://reader033.fdocuments.in/reader033/viewer/2022052618/554c6636b4c905f76f8b4958/html5/thumbnails/1.jpg)
IGNEOUS ROCKS
By Sophia and Danny
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HOW IGNEOUS ROCKS ARE
FORMED
I
gneous rocks are rocks formed by the cooling, hardening, and the freezing of lava
or magma
I
gneous rocks may or may
not crystallize while cooling
M
ost of the 700 igneous rocks
are formed under the Earth’s crust
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THE ROCK TYPES AND THEIR DIFFERENCES
I
gneous
S
edimentary
M
etamorphic
T
he difference between igneous and metamorphic is that the metamorphic rocks are formed
under pressure and igneous rocks are just cooled off lava/magma.
T
he difference between igneous and sedimentary rocks are that sedimentary rocks are made
of different rocks, animal parts, and plants mushed together to make one rock.
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Intrusive rocks:
Solidified inside the
Earth’s surface
As the active volcano
turns into a extinct volcano,
the lava /magma inside
hardens and becomes a
Intrusive Igneous rock
INTRUSIVE AND EXTRUSIVE
ROCKS
Extrusive rocks:
Solidified above the
Earth’s surface.
First a volcano erupts or
magma/lava oozes out the
volcano. Then the
magma/lava cools or
hardens to form a
extrusive igneous rock
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Extrusive rocks:
Basalt
Obsidian
Pumice
Rhyolite
Scoria
TYPES OF INTRUSIVE AND
EXTRUSIVE IGNEOUS ROCKS
Intrusive rocks:
Diorite
Gabbro
Pegmatite
Granite
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THE ROCK CYCLEThis is the rock cycle:
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WE HOPE YOU WERE LISTENING! THAT’S BECAUSE
THERE IS GOING TO BE A QUIZ!
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QUIZ!
W
hat rock is this rock?
I
s a Gabbro an intrusive or an extrusive rock?
W
hat’s the difference between an intrusive and a extrusive rock?
W
ho are the authors of this PowerPoint?
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A JOKE
Q=What music does rocks like best?
A=rock & roll!
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WORDS YOU MAY NOT KNOW/INDEX
C
rystallize- A form of a rock slowly or quickly turned into a
crystal/rock
l
ava/magma-a liquid that is formed inside a volcano, and when
cooled off it’s turned into a igneous rock
S
ophia-wisdom
D
anny-Clear water of the East Sea
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ANY QUESTIONS?
Ask a question
Or we’ll tickle this cute kitty!
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APPLAUSE FOR US!(Please)