Gas Exchange & Breathing Interactive Digital Lesson | KS3 Biology Self-Marking

☆☆☆☆☆ Add your review • Year 8 Science • 🎓 Interactive Lesson & Activities

Interactive KS3 Biology lesson (Year 8), 28 slides: breathing, gas exchange and the adaptations of alveoli, with self-marking activities throughout.

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Make gas exchange and breathing clear with this interactive KS3 Biology lesson. 28 slides cover why we breathe, the breathing system, the alveoli and gas exchange, through self-marking activities, drag-and-drop tasks, quizzes and instant feedback.

Whats inside

28 slides: why we breathe, the breathing system, alveoli and their adaptations, gas exchange, inhalation and exhalation
Fill-in-the-blanks, sort-the-items and multiple-choice checks throughout
Self-marking, with instant feedback

Why it works

No-prep, supports KS3 Biology (gas exchange system, breathing, diffusion, alveoli adaptations)
Suitable for classroom teaching, independent learning, homework, revision or cover lessons
Runs in any browser on laptops, Chromebooks and tablets

Year Group	Year 8 Science
Resource Type	🎓 Interactive Lesson & Activities
Format	Digital Only
Curriculum	England & Wales — KS3 (Year 8)
Added	25 July 2026