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.

Concepts

mass, plants, organic molecules

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Additional Tags

science

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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

Pros

• Links to additional resources
• Provides many helpful tips and discussion topics to encourage further understanding of the concepts

Cons

• None

Common Core

RST.9-10.2 RST.9-10.4 RST.9-10.5 RST.11-12.2 RST.11-12.4 RST.11-12.5