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http://spaceplace.nasa.gov/en/educators/tes_spectroscope.pdf
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spaceplace.nasa.gov/...tes_spectroscope.pdf
nasa
ozone
project
shared by
Sean Stewart
on 16 Apr 11
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Sean Stewart
on 16 Apr 11
A nice lesson with a hands on activity for students.
A nice lesson with a hands on activity for students.
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Sean Stewart
on 16 Apr 11
A nice lesson regarding the ozone layer with an activity included.
A nice lesson regarding the ozone layer with an activity included.
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