Singapore American School Science Standards

Unit 1: Cellular Structure and Function

HS-LS1-1: Genes, Proteins, and Tissues
MS-LS1-3: Interacting Body Systems

Unit 2: Systems and Feedback

HS-LS1-2: Interacting Body Systems
HS-LS1-3: Feedback Mechanisms and Homeostasis

Unit 3: Inheritance and Variation of Traits

HS-LS1-4: Cellular Division and Differentiation
HS-LS3-1: Chromosomal Inheritance
HS-LS3-2: Inheritable Genetic Variation
HS-LS3-3: Variation and Distribution of Traits

Unit 4: Photosynthesis

HS-LS1-5: Photosynthesis and Energy Transformation
HS-LS1-6: Formation of Carbon-Based Molecules

Unit 5: Respiration

HS-LS1-7: Cellular Respiration and Energy Transfer
HS-LS2-3: Matter Cycling and Energy Flow
HS-LS2-4: Biomass and Trophic Levels
HS-LS2-5: Cycling of Carbon in Ecosystems

Unit 6: Ecosystems and Populations

HS-LS2-1: Carrying Capacity of Ecosystems
HS-LS2-2: Biodiversity and Populations in Ecosystems
HS-LS2-6: Ecosystem Dynamics, Functioning, and Resilience

Unit 7: Human Impact

HS-LS2-7: Human Impact Reduction Solution
HS-LS4-6: Human Impact on Biodiversity Solution

Unit 8: Natural Selection and Evoluion

HS-LS4-1: Evidence of Common Ancestry and Diversity
HS-LS4-2: Four Factors of Natural Selection
HS-LS4-3: Adaptation of Populations
HS-LS4-4: Natural Selection Leads to Adaptation
HS-LS4-5: Environmental Change - Speciation and Extinction

Unit 1:

HS-PS1-7: Conservation of Atoms in Chemical Reactions

Unit 2:

HS-PS3-4: The Second Law of Thermodynamics

Unit 3:

HS-PS1-1: Valence Electrons and Properties of Elements
HS-PS1-3: Electrical Forces and Bulk Scale Structure
HS-PS2-6: Molecular-Level Structure of Designed Materials
HS-PS4-4: Absorption of Electromagnetic Radiation

Unit 4:

HS-ESS3-2: Cost-Benefit Ratio Design Solutions
HS-ESS3-3: Biodiversity, Natural Resources, and Human Sustainability
HS-ESS1-3: Stellar Nucleosynthesis

Unit 5:

HS-ESS1-3: Stellar Nucleosynthesis
HS-ESS1-6: Evidence of the Earth’s History
HS-PS1-8: Fission, Fusion, and Radioactive Decay

Unit 6:

HS-PS1-4: Total Bond Energy Change in Chemical Reactions
HS-PS1-2: Simple Chemical Reactions
HS-LS1-5: Photosynthesis and Energy Transformation
HS-ESS2-6: Carbon Cycling in Earth’s Systems

Unit 7:

HS-PS1-5: Collision Theory and Rates of Reaction
HS-PS1-6: Increased Products Design Solution
HS-ESS3-6: Human Impacts on Earth Systems

Unit 1: Matter - Stoichiometry

Unit 2: Reactions - Nomenclature

Unit 3: Thermochemistry - Energy

Unit 4: Atomic Structure

Unit 5: Gases

Unit 6: Liquids, Solids and Solutions

Unit 7: Acids

Unit 8: Equilibrium - Kinetics

Unit 9: Electrochemistry

Unit 1: Gravitational Fields, Forces and Motion

HS-PS2-1: Newton’s Second Law of Motion
HS-PS2-4: Gravitational and Electrostatic Forces Between Objects
HS-ESS1-4: Orbital Motions

Unit 2: Electromagnetic Fields, Forces and Motion

HS-PS3-5: Energy Change Due to Interacting Fields
HS-PS2-5: Electric Current and Magnetic Fields

Unit 3: Conservation of Energy

HS-PS3-2: Macroscopic Energy Due to Particle Position and Motion

Unit 4: Conservation of Energy

HS-PS3-1: Energy Change in Components of a System
HS-PS3-3: Energy Conversion Device Design

Unit 5: Conservation of Momentum

HS-PS2-2: Conservation of Momentum
HS-PS2-3: Reducing Force in Collisions Device

Unit 6: Wave Behavior and Application

HS-PS4-1: Wave Properties in Various Media
HS-PS4-2: Digital Transmission and Storage of Information
HS-PS4-3: Wave-Particle Duality of Electromagnetic Radiation
HS-PS4-4: Absorption of Electromagnetic Radiation
HS-PS4-5: Waves and Information Technology

Unit 7: Nuclear Processes

HS-ESS1-2: The Big Bang Theory
HS-ESS1-1: Nuclear Fusion and the Sun’s Energy
HS-PS1-8: Fission, Fusion, and Radioactive Decay

HS-ESS1-5: Evidence of Plate Tectonics
HS-ESS1-6: Evidence of the Earth’s History
HS-ESS2-1: The Creation of Landforms
HS-ESS2-2: Feedback in Earth’s Systems
HS-ESS2-3: Cycling of Matter in the Earth’s Interior
HS-ESS2-4: Energy Variation and Climate Change
HS-ESS2-5: Interactions of the Hydrologic and Rock Cycles
HS-ESS2-6: Carbon Cycling in Earth’s Systems
HS-ESS2-7: Coevolution of Life and Earth’s Systems
HS-ESS3-1: Global Impacts on Human Activity
HS-ESS3-2: Cost-Benefit Ratio Design Solutions
HS-ESS3-3: Biodiversity, Natural Resources, and Human Sustainability
HS-ESS3-4: Reducing Human Impact Design Solutions
HS-ESS3-5: Climate Change and Future Impacts
HS-ESS3-6: Human Impacts on Earth Systems