KS.2. Physical Science: The student will apply process skills to develop an understanding of physical science including: properties, changes of properties of matter, motion and forces, and transfer of energy.
2.1. The student will observe, compare, and classify properties of matter.
2.1.2. The student compares and contrasts the classes of matter; elements, compounds, and mixtures.
2.2. The student will observe, measure, infer, and classify changes in properties of matter.
2.2.1. The student understands the relationship of atoms to elements and elements to compounds.