Chemical Properties and Reactions
Analyze and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred.

Conservation of Atoms in Reactions
Develop and use a model to describe how the total number of atoms does not change in a chemical reaction and thus mass is conserved.

Thermal Energy Design Project
Undertake a design project to construct, test, and modify a device that either releases or absorbs thermal energy by chemical processes.