A one-topic revision summary for AQA GCSE Biology Paper 1, Cell Biology. It compares light and electron microscopes, teaches the magnification triangle with worked examples and unit conversions, explains TEM and SEM, and sets out the steps for preparing and viewing a slide.
- 6 slides
- AQA GCSE Biology Paper 1
- Revision summary
- Exam tips included
- Fully editable
Download this PowerPoint free (.pptx)
What the PowerPoint covers
- Light vs electron microscopes: magnification, resolution, cost, image and what each can be used to see.
- Magnification calculations: the I = M × A triangle, worked examples and converting between mm, μm and nm.
- Electron microscopy: how transmission and scanning electron microscopes work and what they reveal.
- Preparing and viewing slides: making a temporary mount of onion or cheek cells, step by step.
- Key vocabulary and exam tips: magnification, resolution, artefacts and common exam slips.
Who it is for
GCSE biology and combined science students (Foundation and Higher) revising Cell Biology, and teachers who want a ready made summary for a recap starter, homework or revision lesson. Written for the AQA specification, and just as useful for other exam boards.
Download this PowerPoint free (.pptx)
More resources
The full Cell Biology revision set: cell structure, diffusion, osmosis, active transport, cell division and stem cells. Browse all premium PowerPoints, or find more teacher made slides in our free biology PowerPoints.