Teaching Authentic Soil & Plant Science in Middle School Classrooms with a Biochar Case Study

Yamina Pressler, Mary Hunter-Laszlo, Sarah Bucko, Beth A. Covitt, Sarah Urban, Christina Benton, Michelle Bartholomew, Amanda J. Morrison, Erika J. Foster, Sylvia D. Parker, M. Francesca Cotrufo, John C. Moore

Research output: Contribution to journalArticlepeer-review

Abstract

We designed two NGSS-aligned middle school classroom experiments to investigate the effects of biochar on plant growth and soil respiration. Biochar is a carbon-rich material, produced by heating organic matter under limited oxygen, that is added to soils to improve fertility, to promote plant growth, and as one possible strategy to help mitigate climate change. The experiments offer an ideal case study for students learning fundamentals of soil and plant interactions. Soils and biochar are accessible, are connected to global issues such as agriculture and climate change, and are the focus of ongoing research in soil science. These classroom experiments promote authentic science because students design replicated experiments, collect and analyze data, discuss variability in the data, and interpret their results in the context of recent research.

Original languageEnglish
Pages (from-to)256-268
Number of pages13
JournalAmerican Biology Teacher
Volume81
Issue number4
DOIs
StatePublished - Apr 2019

Keywords

  • authentic science
  • biochar
  • experiment
  • plants
  • Soil

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