TheLearnDen

Year 9 · Science

Diffusion: Particle Model

Year 9 learners practise diffusion and osmosis explained.

The activities include Revise How Diffusion Works, Understand How Diffusion Works in Plants, Understand How Diffusion Works in the Body, and related practice. The checked support below includes video, worksheet, teaching. Open a resource in its provider's website and choose the format that best helps the learner explain the idea independently.

Activities covered

  • Revise How Diffusion Works
  • Understand How Diffusion Works in Plants
  • Understand How Diffusion Works in the Body
  • Understand How High and Low Concentrations Relate to Diffusion
  • Understand How Temperature Affects Diffusion
  • Understand Osmosis as a Special Type of Diffusion

Checked learning resources

  • Diffusion: moving particles

    Oak National Academy · Video · Opens on the provider website

    I can explain that diffusion is the movement of particles of a substance from an area of higher to lower concentration. This KS3 science video lesson directly teaches the concepts and scientific action required by "Revis

  • Diffusion through the cell membrane

    Oak National Academy · Video · Opens on the provider website

    I can explain why some substances can diffuse through the cell membrane and others cannot. This KS3 science video lesson directly teaches the concepts and scientific action required by "Understand How Diffusion Works in

  • The particle model of matter - KS3 Chemistry

    BBC Bitesize · Worksheet · Opens on the provider website

    BBC KS3 science teaching, examples and practice checks for Diffusion: Particle Model; selected for the concepts in "Revise How Diffusion Works" after reviewing the full worksheet context.

  • Diffusion: lesson sequence

    Oak National Academy · Teaching · Opens on the provider website

    This KS3 Oak unit provides sequenced teaching on Diffusion. It includes the lesson objective closest to the full worksheet context: Diffusion: moving particles.

  • What is Diffusion? How Does it Work? What Factors Affect it? (2026/27 exams)

    YouTube — Cognito · Video · Opens on the provider website

    Check out our website https://www.cognito.org/ ⭐️ *** WHAT'S COVERED *** 1. The definition of diffusion. 2. Where diffusion ... · Cognito · 5 minute video Caption evidence: in today's video we're looking at diffusion so

  • Diffusion & Osmosis [KS3] - The Bio Coach

    YouTube — The Bio Coach · Video · Opens on the provider website

    This video covers the terms 'Diffusion' & 'Osmosis' and then describes the effect of Osmosis on both a plant and animal cell. · The Bio Coach · 6 minute video