KS3 Biology — Bacteria in the Digestive System — Complete Lesson Pack

🦠 Get everything you need to teach bacteria in the digestive system at KS3 — no preparation required. Bacteria are unicellular microorganisms, and while some cause disease, others such as gut flora are essential for digestion and health, and this pack covers bacterial structure, enzyme production, competitive exclusion of pathogens, and how to maintain a healthy gut microbiome for students aged 11–14.

📦 What's included:

Main Worksheet — 17 questions, 100 marks

Section 1: Knowledge Recall (30 marks) — multiple choice, true/false table, fill-in-the-blank passage

Section 2: Application and Understanding (40 marks) — definition writing, short answer, table completion, extended evaluation

Section 3: Extension and Analysis (30 marks) — scenario extended writing, balanced argument, two-part case study

Full answer key with detailed marking guidance

Extension Pack — 4 activities

Vocabulary Matching (12 terms)

Challenge Quiz (25 marks) — data interpretation

Gut-Brain Axis Case Study (20 marks)

Teach It Back creative task (rubric-assessed)

Full answer keys included for everything.

🎬 Watch the free video lesson: https://www.youtube.com/watch?v=LUK9uywIB_g

👩‍🏫 Google Classroom ready — copy the link straight into your assignment. Print as many copies as your class needs.

Buying this bundle saves £1 compared to purchasing both resources separately (£3 + £3 = £6 individually, £5 as a pack).

Price: £5