september 22.pptx
TRANSCRIPT
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7/17/2019 September 22.pptx
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Look Back to Yesterday
Maps Globes
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Students will name, locate, anddiscuss the beginnings thecontinents and oceans.
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7/17/2019 September 22.pptx
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Spaceship Earth
/ike a grand andmiraculous spaceship,
our planet has sailedthrough the uni0erse of
time and for a briefmoment we ha0e been
among its passengers.3
4Spaceship 5arth,5pcot
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7/17/2019 September 22.pptx
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Vocabulary
Pangaea ) was a supercontinent that e6isted#77 to 177 million years ago
Plate Tectonics) the theory that the 5arths
outer shell is di0ided into se0eral plates thatmo0e slowly o0er time
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Pangaea
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Discussion uestions
Do you think that the way continents fit togetheris con0incing e0idence for the theory of platetectonics8 9hy or why not8
ow does the theory of plate tectonics help use6plain natural phenomena such as earth;uakes
and mountains, which geologists had difficultyaccounting for prior to the de0elopment of thetheory8
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!ontinents and "ceans
Southern "cean
Paci#c "cean
$orth%&erica
South%&erica
%tlantic"cean
%'rica
Europe %sia
(ndian"cean
%ustralia
%rctic "cean
%ntartica