genetically identical separation of the Investigating chromosomes: division of cells. Activity: What would happen mitosis in allium the nucleus if…? Eg: root tip squash Mitosis forms part of division of the cell to form the cell cycle. did not ….DNA two identical cells. replicate? Animation: did …..chromosomes not line up down the middle? did not …..organelles replicate? 4.1.3 Transport in cells Spec ref. Summary of the Learning outcomes Suggested Opportunities to develop Opportunities to Self/peer specification content What most students should be able timing Scientific Communication skills develop and apply assessment to do (hours) practical and enquiry opportunities and skills resources Reference to past questions that indicate success 4.1.3.1 Diffusion Define the term 2 Observe and suggest Choose investigations Demo materials: ‘diffusion’. explanations: as appropriate: strong Time how long it is before potassium Substances can move Explain how temperature, perfume students can smell a permanganate in into and out of cells concentration gradient and concentrated perfume placed in a corner beaker of water; across membranes by surface area affect the rate of NH4OH of the room. potassium diffusion. diffusion. concentrated HCl
genetically identical cells. Mitosis forms part of the cell cycle. separation of the chromosomes: division of the nucleus division of the cell to form two identical cells. Activity: What would happen if…? Eg: ….DNA did not replicate? …..chromosomes did not line up down the middle? …..organelles did not replicate? Investigating mitosis in allium root tip squash Animation: 4.1.3 Transport in cells Spec ref. Summary of the specification content Learning outcomes What most students should be able to do Suggested timing (hours) Opportunities to develop Scientific Communication skills Opportunities to develop and apply practical and enquiry skills Self/peer assessment opportunities and resources Reference to past questions that indicate success 4.1.3.1 Diffusion Substances can move into and out of cells across membranes by diffusion. Define the term ‘diffusion’. Explain how temperature, concentration gradient and surface area affect the rate of diffusion. 2 Observe and suggest explanations: Time how long it is before students can smell a perfume placed in a corner of the room. Choose investigations as appropriate: potassium permanganate in beaker of water; potassium Demo materials: strong perfume concentrated NH4OH concentrated HCl
AQA-8464-SOW-CELLS.DOCX