понедельник, 9 октября 2017 г.

6 NGSS Aligned STEM Challenges designed specifically for Second Graders! | STEM Activities | 2nd Grade | Next Generation Science Standards


6 NGSS Aligned STEM Challenges designed specifically for Second Graders! | STEM Activities | 2nd Grade | Next Generation Science Standards

Original article and pictures take https://teacherspayteachers.com site

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