NGSS Middle-level ESS

NGSS Middle-level ESS
The NGSS performance expectations for ESS in the middle level

File 71858 is a 872kB Acrobat (PDF)
Uploaded: Jul13 15
Last Modified: 2015-07-13 11:34:18
https://serc.carleton.edu/download/files/71858/ngss_middle-level_ess.pdf

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