

OCR Gateway Science A (Biology) – B1.1.4 Electron Microscopes | B1 Biology Lesson (B1.1c)
GCSE Science - B1 Topic
This ready-to-use PowerPoint lesson is designed to support OCR Gateway Science A students in mastering B1.1.4 Electron Microscopes, aligned with specification point B1.1c. Ideal for KS4 biology, this engaging lesson is fully resourced and includes clear explanations, retrieval practice, and assessment opportunities.
Lesson Objectives:
Describe how a transmission electron microscope (TEM) works
State the advantages of using electron microscopes
Explain how electron microscopy has advanced our understanding of subcellular structures
What’s included:
Clear and student-friendly slides explaining resolution, magnification, TEM and SEM
Think-Pair-Share activities and retrieval questions
Mnemonics to support memory retention
Comparison of light, SEM, and TEM images
Career link to Nanotechnology
Embedded assessment and exam-style questions (with model answers)
Differentiated challenge tasks and discussion prompts
This lesson is perfect for teachers delivering the OCR Gateway Biology curriculum but is also suitable for AQA and Edexcel as an adaptable resource for teaching electron microscopy.
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