Diffusion Digital Lesson | KS3 Biology Year 7–8 Self-Marking Activity

Name: Diffusion Digital Lesson | KS3 Biology Year 7–8 Self-Marking Activity
Brand: Skoolmaths
SKU: SKM-109487
Price: 3.50 GBP
Availability: InStock

☆☆☆☆☆ Add your review • Year 7–9 • 🎓 Interactive Lesson & Activities

Interactive KS3 Biology lesson (Years 7-8), 18 slides: diffusion, concentration gradients and the factors that affect its rate, with self-marking activities.

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This resource plus every lesson, worksheet and game in its year group
Interactive lessons that mark answers and read aloud
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Lesson at a glance

What pupils will learn

Students will be able to define diffusion accurately.
Students will understand how concentration gradients drive diffusion.
Students will practise identifying examples of diffusion in cells.

Curriculum

UK: Year 7–9 Science, National Curriculum (England)
Topic area: Cells and Microorganisms
US equivalent: Grades 6–8 (year level only; not mapped to US standards)

What the lesson covers

What Is Diffusion?
Concentration Gradients Explained
The Cell Membrane
Diffusion in Breathing
Diffusion in Digestion
Factors Affecting Diffusion

How it is interactive

4 multiple-choice questions
2 fill-in-the-blank questions
2 sorting and ordering tasks
1 sentence-writing task

Feedback and what you get

Questions are marked automatically as pupils answer: a sound and a character reaction show straight away whether they are right, and correct answers earn points, with a results screen at the end. Sentence-writing tasks are for pupils' own answers and are not marked automatically.

A 18-slide interactive lesson that runs in any web browser on a computer, tablet or interactive whiteboard. Members open it online from their year group page. Buying it on its own gives you a .zip download to unzip and open.

Free preview: try the first slides before you decide. Included in every Skoolmaths plan.

Make diffusion easy to understand with this interactive KS3 Biology lesson. 18 slides cover how substances move into and out of cells by diffusion, through self-marking activities, drag-and-drop tasks, quizzes and instant feedback.

Whats inside

18 slides: what diffusion is, concentration gradients, the cell membrane, diffusion in breathing and digestion, factors affecting the rate of diffusion (surface area, concentration gradient, temperature)
Fill-in-the-blanks, sort-the-items and multiple-choice checks throughout
Self-marking, with instant feedback

Why it works

No-prep, supports the National Curriculum for England and builds toward GCSE Biology
Suitable for classroom teaching, independent learning, homework, revision or cover lessons
Runs in any browser on laptops, Chromebooks and tablets

Year Groups	Year 7–9
Resource Type	🎓 Interactive Lesson & Activities
Format	Digital Only
Curriculum	England & Wales — KS3 (Years 7–9)
Added	24 July 2026