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

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  • Library Home
  • Unit-Specific Resources
    • Systems and Scale
    • Animals
    • Plants
    • Decomposers
    • Ecosystems
    • Human Energy Systems
  • Cross-Unit Teaching Tools
    • The Three Questions...
    • The Large-scale Four Questions...
    • Questions-Connections...
    • Investigation Planning Tool
    • Bromothymol Blue (BTB)
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  • Recurring Features and Strategies
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Cross-Unit Teaching Tools | Bromothymol Blue (BTB)

Bromothymol Blue

BTB Information and Instructions Handout

BTB Color Handout

BTB Color Handout

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.