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Transformations in Matter and Energy Carbon TIME is an NSF-funded partnership led by Michigan State University

Systems and Scale
Animals
Plants
Decomposers
Ecosystems
Human Energy Systems
Assessment Links

Animals: Assessing and Grading Documents

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Carbon TIME is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

This research is supported in part by grants from the National Science Foundation: CCE: A Learning Progression-based System for Promoting Understanding of Carbon-transforming Processes (DRL-1020187), and Sustaining Responsive and Rigorous Teaching Based on Carbon TIME (DRL-1440988). Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.