ScholarIAm - Integrated Science Learning Platform
Complete access to all questions, answers, and educational content across all 5 units and 25 standards
DCI PS1.A: Substances are made from different types of atoms, which combine with one another in various ways. Atoms form molecules that range in size from two to thousands of atoms.
DCI PS1.A & PS1.B: Each pure substance has characteristic properties. Substances react chemically in characteristic ways to form new substances.
DCI PS1.A: Synthetic materials are derived from natural resources and impact society through their production and use.
DCI PS1.A: Gases and liquids are made of molecules moving about relative to each other. Temperature affects molecular motion.
DCI PS1.B: The total number of atoms of each type is conserved in chemical reactions, and thus mass does not change.