SAS General Chemistry

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Unit 1: Chemical Hygiene · Atomic Structure & Bonding 7 Lessons · Atomic Architecture, Trends & Bonding

Storyline Anchor: “What makes a chemical hazardous, and how can we know before we even open the bottle?”

Unit 2: Prata Problems · Matter, Reactions & The Mole 6 Lessons · Physical/Chemical Transformations & Stoichiometry

Storyline Anchor: “Why does roti prata taste different after it hits the grill?”

Unit 3: Energy · Heat, Phase & Reaction Energetics 5 Lessons · Thermal Equilibrium, Phase Changes & Enthalpy

Storyline Anchor: “How can you stay cool in Singapore without breaking the bank?”

Unit 4: Human Equilibrium · Speed, Balance & Homeostasis 4 Lessons · Kinetics, Catalysts, Le Chatelier & Buffers

Storyline Anchor: “How does your body control its chemistry?”

Unit 5: Origin of the Elements · Stars, Space & Nuclear Physics 5 Lessons · Stellar Fusion, Big Bang Evidence & Radioactivity

Storyline Anchor: “Where did the atoms in your body come from?”

HS-PS1-1: Valence Electrons & Periodic Trends 2 Lessons

Standard: “Use the periodic table as a model to predict the relative properties of elements based on the patterns of electrons in the outermost energy level of atoms.”

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Practice 6 core skills sequentially. Rapid diagnostic checks identify skill deficits, followed by targeted adaptive practice and a verified PDF receipt.

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HS-PS1-2: Simple Chemical Reactions & Bonding 5 Lessons

Standard: “Construct and revise an explanation for the outcome of a simple chemical reaction based on the outermost electron states of atoms, trends in the periodic table, and knowledge of the patterns of chemical properties.”

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HS-PS1-2 Adaptive Competency Station

Practice 6 core skills covering bond types, molecular polarity, nomenclature, physical vs. chemical change, reaction types, and stoichiometric equation balancing.

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HS-PS1-3: Electrical Forces & Intermolecular Forces 2 Lessons

Standard: “Plan and conduct an investigation to gather evidence to compare the structure of substances at the bulk scale to infer the strength of electrical forces between particles.”

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HS-PS1-3 Adaptive Competency Station

Practice 8 core skills covering molecular polarity, electrical forces, bulk properties, and IMFs with adaptive scaffolding and verified PDF receipt.

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HS-PS1-4: Bond Energy & Reaction Energetics 1 Lesson

Standard: “Develop a model to illustrate that the release or absorption of energy from a chemical reaction system depends upon the changes in total bond energy.”

HS-PS1-5: Collision Theory, Rates & Catalysis 2 Lessons

Standard: “Apply scientific principles and evidence to provide an explanation about the effects of changing the temperature or concentration of the reacting particles on the rate at which a reaction occurs.”

HS-PS1-6: Dynamic Equilibrium & Le Chatelier 2 Lessons

Standard: “Refine the design of a chemical system by specifying a change in conditions that would produce increased amounts of products at equilibrium.”

HS-PS1-7: Conservation of Atoms & The Mole 3 Lessons

Standard: “Use mathematical representations to support the claim that atoms, and therefore mass, are conserved during a chemical reaction.”

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HS-PS1-7 Adaptive Competency Station

Practice 6 core skills covering Avogadro's scale bridge, molar mass, unit conversions, stoichiometric mole ratios, BCA tables, and percent yield.

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HS-PS1-8: Nuclear Processes, Decay & Energy 1 Lesson

Standard: “Develop models to illustrate the changes in the composition of the nucleus of the atom and the energy released during the processes of fission, fusion, and radioactive decay.”

HS-PS2-6: Molecular Structure & Bulk Properties 1 Lesson

Standard: “Communicate scientific and technical information about why the molecular-level structure is important in the functioning of designed materials.”

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Practice 5 core skills covering fatty acid geometry, London dispersion forces, melting points, 5-step material design arguments, and GHS safety.

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HS-PS3-1: Computational Thermal Energy & Calorimetry 3 Lessons

Standard: “Create a computational model to calculate the change in the energy of one component in a system when the change in energy of the other component(s) and energy flows in and out of the system are known.”

HS-PS3-4: Thermal Equilibrium in Closed Systems 1 Lesson

Standard: “Plan and conduct an investigation to provide evidence that the transfer of thermal energy when two components of different temperature are combined within a closed system results in a more uniform energy distribution among the components in the system.”

HS-PS4-4: Electromagnetic Radiation & Matter 1 Lesson

Standard: “Evaluate the validity and reliability of claims in published materials of the effects that different frequencies of electromagnetic radiation have when absorbed by matter.”

HS-ESS1-1: Solar Fusion & Lifespan of the Sun 1 Lesson

Standard: “Develop a model based on evidence to illustrate the life span of the sun and the role of nuclear fusion in the sun’s core to release energy that eventually reaches Earth in the form of radiation.”

HS-ESS1-2: The Big Bang & Astronomical Evidence 1 Lesson

Standard: “Construct an explanation of the Big Bang theory based on astronomical evidence of light spectra, motion of distant galaxies, and composition of matter in the universe.”

HS-ESS1-3: Stellar Nucleosynthesis of Elements 1 Lesson

Standard: “Communicate scientific ideas about the way stars, over their life cycle, produce elements.”

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Unit 1 Reference Note

Supplemental simulations, video tutorials, and textbook readings for Unit 1 (Chemical Hygiene: Atomic Structure & Bonding).
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HS-PS1-1: Periodic Trends HS-PS1-2: Reactions & Bonding HS-PS1-3: Electrical & IMFs HS-PS1-7: The Mole & Stoichiometry HS-PS2-6: Structure-Property Arguments

Unit 1: Chemical Hygiene · Atomic Structure & Bonding 7 Lessons · Atomic Architecture, Trends & Bonding

Unit 2: Prata Problems · Matter, Reactions & The Mole 6 Lessons · Physical/Chemical Transformations & Stoichiometry

Unit 3: Energy · Heat, Phase & Reaction Energetics 5 Lessons · Thermal Equilibrium, Phase Changes & Enthalpy

Unit 4: Human Equilibrium · Speed, Balance & Homeostasis 4 Lessons · Kinetics, Catalysts, Le Chatelier & Buffers

Unit 5: Origin of the Elements · Stars, Space & Nuclear Physics 5 Lessons · Stellar Fusion, Big Bang Evidence & Radioactivity

HS-PS1-1: Valence Electrons & Periodic Trends 2 Lessons

HS-PS1-1 Adaptive Competency Station

HS-PS1-2: Simple Chemical Reactions & Bonding 5 Lessons

HS-PS1-2 Adaptive Competency Station

HS-PS1-3: Electrical Forces & Intermolecular Forces 2 Lessons

HS-PS1-3 Adaptive Competency Station

HS-PS1-4: Bond Energy & Reaction Energetics 1 Lesson

HS-PS1-5: Collision Theory, Rates & Catalysis 2 Lessons

HS-PS1-6: Dynamic Equilibrium & Le Chatelier 2 Lessons

HS-PS1-7: Conservation of Atoms & The Mole 3 Lessons

HS-PS1-7 Adaptive Competency Station

HS-PS1-8: Nuclear Processes, Decay & Energy 1 Lesson

HS-PS2-6: Molecular Structure & Bulk Properties 1 Lesson

HS-PS2-6 Adaptive Competency Station

HS-PS3-1: Computational Thermal Energy & Calorimetry 3 Lessons

HS-PS3-4: Thermal Equilibrium in Closed Systems 1 Lesson

HS-PS4-4: Electromagnetic Radiation & Matter 1 Lesson

HS-ESS1-1: Solar Fusion & Lifespan of the Sun 1 Lesson

HS-ESS1-2: The Big Bang & Astronomical Evidence 1 Lesson

HS-ESS1-3: Stellar Nucleosynthesis of Elements 1 Lesson

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