Grade 9 Science Curriculum
The full scope and sequence — 24 lessons across 6 domains, each aligned to a specific NGSS standard, and each with a video lesson in English and Spanish.
Life Science · 3 lessons
| Standard | Lesson |
|---|---|
| HS-LS1 | Cellular Structure and Homeostasis |
| HS-LS2 | Ecosystem Dynamics and Carrying Capacity |
| HS-LS4 | Evidence for Evolution |
Life · 1 lesson
| Standard | Lesson |
|---|---|
| HS-LS3 | HS-LS3 Inheritance and molecular genetics |
HS-LS1 From Molecules to Organisms · 6 lessons
| Standard | Lesson |
|---|---|
| HS-LS1-1 | DNA to Proteins |
| HS-LS1-3 | Feedback and Homeostasis |
| HS-LS1-4 | Mitosis and Differentiation |
| HS-LS1-5 | Photosynthesis |
| HS-LS1-6 | Building Biomolecules |
| HS-LS1-7 | Cellular Respiration |
HS-LS2 Ecosystems · 7 lessons
| Standard | Lesson |
|---|---|
| HS-LS2-2 | Populations and Biodiversity |
| HS-LS2-3 | Matter and Energy in Ecosystems |
| HS-LS2-4 | Energy Pyramids |
| HS-LS2-5 | The Carbon Cycle |
| HS-LS2-6 | Ecosystem Stability |
| HS-LS2-7 | Protecting Biodiversity |
| HS-LS2-8 | Group Behavior and Survival |
HS-LS3 Heredity · 2 lessons
| Standard | Lesson |
|---|---|
| HS-LS3-2 | Sources of Genetic Variation |
| HS-LS3-3 | Distribution of Traits |
HS-LS4 Biological Evolution · 5 lessons
| Standard | Lesson |
|---|---|
| HS-LS4-2 | Four Factors of Evolution |
| HS-LS4-3 | Advantageous Traits Spread |
| HS-LS4-4 | Adaptation |
| HS-LS4-5 | Environmental Change and Species |
| HS-LS4-6 | Simulating Conservation |
Other Grade 9 subjects
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Every lesson above is taught by an AI tutor that asks the next right question — no punishing scores.
Start free — no card requiredStandards codes are listed so you can verify alignment yourself and use them in portfolios or state reporting.