We completed Chapter 3.4 & used poker chips to model chemical reactants & products in a chemical reaction.
Homework: If you already opened the assignment in GoogleDocs please do not make a second document! Look in your Google Docs. You need to add the photos from today & write an explanation of what we did. Use words like reactants, products, atoms, chemical reaction, molecule & contaminant. Using the chemical formulas would also be appropriate for example: Fe2O3
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