Where Does a Plant's Mass Come From?

This Where Does a Plant's Mass Come From? activity & project also includes:

Where does the mass for a growing tree come from? Scholars consider a few different hypotheses and guess which is correct. They then analyze data from different experiments to understand which concepts science supports.

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CCSS: Adaptable
NGSS: Designed
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Instructional Ideas
  • Set up a long-term experiment in class measuring a plant's mass as it grows, the weight of the soil, and the amount of water added over time
  • Explain the difference between mass and biomass before using the lesson
Classroom Considerations
  • Relies on prior knowledge of biological chemistry, chemical formulas, chemical equations, matter, mass, and energy
  • Links to additional resources
  • Provides many helpful tips and discussion topics to encourage further understanding of the concepts
  • None