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Learners will build a biosphere that is a balanced, self-enclosed living system able to run efficiently over a long period of time. This activity is in Unit 3 of the Exploring the Moon teachers guide, which is designed for use especially, but not... (View More)
Audience: Elementary school, Middle school, High school
Materials Cost: $1 - $5 per group of students
Materials Cost: $1 - $5 per group of students
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