OCR GCSE Biology B · J257
Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Higher), Paper 4 (Higher)
Revise: Example ActivityEven on one microscope, changing the objective lens changes how much of the specimen fills your view. In this PAG 1 example activity, you investigate magnification techniques and use your observations to draw more than one biological specimen. The particular specimens and activity can vary; the important skill is to record what you actually observe.