Matter and Its Interactions

1. Properties of matter: physical vs. chemical
2. States of matter and phase changes
3. Mixtures vs. pure substances

Atomic Structure

1. Atoms and elements
2. Structure of the atom (protons, neutrons, electrons)
3. Introduction to the periodic table

Chemical Reactions

1. Reactants and products
2. Signs of chemical change
3. Simple reaction types (combustion, acid/base)

Energy in Chemical Processes

1. Conservation of mass
2. Exothermic vs. endothermic reactions
3. Energy diagrams (qualitative)

Gases and Their Properties

1. Behavior of gases (volume, pressure, temperature)
2. Introduction to the gas laws (qualitative: Boyle’s and Charles’s Laws)
3. Real-life applications (balloons, breathing, weather)

Introduction to Stoichiometry

1. Counting atoms and molecules
2. Law of Conservation of Mass
3. Using models and visuals to understand ratios in reactions