Students will launch the project by investigating how atomic models, isotopes, and periodic-table patterns can inform a preliminary argument about sustainable everyday materials.

Students will investigate competing sustainability claims about two everyday materials, build atomic-scale explanations for their behavior, and organize credible supporting and challenging evidence for later CER development.

Students will transform their research into a scientifically accurate CER argument, integrate it into a draft Matter in Daily Life exhibition and portfolio, and revise both products through structured peer critique and challenge rehearsals.

Students will publicly defend a sustainable material choice, exhibit their scientific models and evidence portfolios, respond to competing claims, revise their work from feedback, and reflect on changes in their scientific thinking and daily material choices.