providing details Students concentrations out the experiment then of volumes of choose the and determine chooses equipment, stock solution concentrations the volumes of materials, justifying all and water. and determine solution and choices. Teacher the volumes of to produce these chooses the solution and concentrations. plant organ and water to Students choose details of how to produce these the plant organ cut to size. concentrations. and details of Students Teacher how to cut to prepare the chooses the size. Students solutions and plant organ prepare the measure the and details of solutions and change in mass how to cut to measure the of plant size. Students change in mass material. prepare the of plant material. Experiments solutions and Outline fully specified in measure the procedure terms of change in provided by equipment and mass of plant teacher. method. material. Experiment probably fully specified by teacher. Opportunities for observation and assessment of competencies Students follow Follow Students Students follow a Students follow a method they written follow written method they have written method. have procedures method. researched. researched. Applies Students must Students must investigative correctly use Students must choose correctly use the approaches the appropriate an appropriate Students must appropriate and equipment and approach, equipment correctly use the equipment and methods calculate and techniques, identify appropriate identify correct when using correct correct variables for equipment. variables for instruments volumes to measurement and measurement and produce serial control. and control equipment dilution. Safely uses a range of Students Students must carry Students must Students must practical minimise risks out a full risk safely use the safely use the equipment with minimal assessment and equipment. equipment. and prompting. minimise risks. materials Students Students record Students record Students must choose Makes and record concentrations change in mass the most effective way records concentrations of solute and in specified of recording observations of solute and change in mass ways observations change in in specified ways
providing details of volumes of stock solution and water. Teacher chooses the plant organ and details of how to cut to size. Students prepare the solutions and measure the change in mass of plant material. Experiments fully specified in terms of equipment and method. Students choose the concentrations and determine the volumes of solution and water to produce these concentrations. Teacher chooses the plant organ and details of how to cut to size. Students prepare the solutions and measure the change in mass of plant material. Experiment probably fully specified by teacher. concentrations and determine the volumes of solution and to produce these concentrations. Students choose the plant organ and details of how to cut to size. Students prepare the solutions and measure the change in mass of plant material. Outline procedure provided by teacher. out the experiment then chooses equipment, materials, justifying all choices. Opportunities for observation and assessment of competencies Follow written procedures Students follow written method. Students follow written method. Students follow a method they have researched. Students follow a method they have researched. Applies investigative approaches and methods when using instruments and equipment Students must correctly use the appropriate equipment. Students must correctly use the appropriate equipment and calculate correct volumes to produce serial dilution. Students must correctly use the appropriate equipment and identify correct variables for measurement and control Students must choose an appropriate approach, equipment and techniques, identify correct variables for measurement and control. Safely uses a range of practical equipment and materials Students must safely use the equipment. Students must safely use the equipment. Students minimise risks with minimal prompting. Students must carry out a full risk assessment and minimise risks. Makes and records observations Students record change in mass in specified ways Students record concentrations of solute and change in Students record concentrations of solute and change in mass in specified ways Students must choose the most effective way of recording observations
aqa-practical-hand-book-requirements.docx