Grade 10 Science (SNC2D) 🔬
Ontario Curriculum (2009) · TDSB · Curated Video Lessons
Grade 10 Academic Science (SNC2D) builds on Grade 9 foundations with streamed study across four fields: biology (cells, tissues, and organ systems), chemistry (chemical reactions), physics (light and geometric optics), and earth and space science (climate change). This guide provides one key video lesson per unit, aligned to the Ontario SNC2D curriculum.
🧬 Cell Structure and Tissues
The Biology unit of SNC2D explores the hierarchical organization of life — from the individual cell up through tissues, organs, and organ systems. This lesson covers cell structure in detail: the functions of key organelles (nucleus, mitochondria, cell membrane, endoplasmic reticulum), how cells are specialized for specific roles, and how groups of similar cells form tissues.
Source: Science 10 SNC2D
⚗️ Chemical Reactions & Balancing Equations
The Chemistry unit of SNC2D examines how substances transform through chemical reactions — including synthesis, decomposition, single replacement, double replacement, and combustion reactions. A central skill is balancing chemical equations using the Law of Conservation of Mass. This lesson introduces the five types of reactions with clear examples from the SNC2D curriculum.
Source: Grade 10 Chemistry SNC2D
💡 Light and Geometric Optics
The Physics unit of SNC2D introduces the behaviour of light — reflection off flat and curved mirrors, refraction as light passes between media, and the way lenses (converging and diverging) bend light to form images. Geometric optics uses ray diagrams to predict where images form, whether they are real or virtual, and how large they appear. Connects to everyday optical devices like cameras, glasses, and telescopes.
Source: Science at Home – SNC2D/P
🌍 Climate Change & the Greenhouse Effect
The Earth and Space Science unit of SNC2D examines how natural and human factors drive climate change. Students investigate the greenhouse effect — how gases like CO₂, methane, and water vapour trap outgoing infrared radiation — and compare natural climate variation with the accelerated warming linked to human activity. This lesson introduces the science of climate change and the evidence supporting it.
Source: Science 10 SNC2D Climate Change
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