NCES.PSc.2.1 - Understand types, properties, and structure of matter.
- NCES.PSc.2.1.1 - Classify matter as: homogeneous or heterogeneous; pure substance or mixture; element or compound; metals, nonmetals or metalloids; solution, colloid or suspension.
- NCES.PSc.2.1.2 - Explain the phases of matter and the physical changes that matter undergoes.
- NCES.PSc.2.1.3 - Compare physical and chemical properties of various types of matter.
- NCES.PSc.2.1.4 - Interpret data presented in Bohr model diagrams and dot diagrams for atoms and ions of elements 1 through 18.