significance of different mean numbers of a particular organelle (eg mitochondria or chloroplasts) in different types of cells AO1 development of – knowledge and understanding of microscopy techniques. Time Learning activity with opportunity Assessment Learning Outcome Resources Learning objective taken to develop skills opportunities Specimen 0.2 Explain the use of Learning activities: Measuring the size of assessment an eyepiece introduce students to the an object viewed with material: graticule. concept of magnification in an optical microscope Calculate the actual A-level Paper 3 (set 1) greater detail and the concept and calculation of size of cells based Q2 of how to use a graticule – magnification. on measured size alongside a stage micrometer and magnification. students could prepare a slide Past exam paper and use an optical material: microscope to identify stained starch grains in plant cells and BIOL1 Jan 2011 Q1 measure them BIOL2 Jan 2012 Q1 – teacher explanation of how to use and manipulate the magnification formula, including conversion of units if required
significance of different mean numbers of a particular organelle (eg mitochondria or chloroplasts) in different types of cells AO1 – development of knowledge and understanding of microscopy techniques. Learning objective Time taken Learning Outcome Learning activity with opportunity to develop skills Assessment opportunities Resources Measuring the size of an object viewed with an optical microscope and calculation of magnification. 0.2 Explain the use of an eyepiece graticule. Calculate the actual size of cells based on measured size and magnification. Learning activities: introduce students to the concept of magnification in greater detail and the concept of how to use a graticule alongside a stage micrometer students could prepare a slide and use an optical microscope to identify stained starch grains in plant cells and measure them teacher explanation of how to use and manipulate the magnification formula, including conversion of units if required Specimen assessment material: A-level Paper 3 (set 1) – Q2 Past exam paper material: BIOL1 Jan 2011 Q1 BIOL2 Jan 2012 – Q1
AQA-7401-SOW.DOCX