When atoms form chemical bonds by transferring electrons, they form ions. Atoms that lose electrons become positively charged ions. Atoms that gain electrons become negatively charged ions. Ions have the electronic structure of a noble gas (Group 0). Hydrogen ions, H+(aq), make solutions acidic. Time Learning activity with opportunity Assessment Learning Outcome Resources Learning objective taken to develop skills opportunities 0.2 Explain what is Learning activities: Rich questions: Inorganic ions occur in weeks meant by the term provide information stations explain the role of: solution in the inorganic ions and each type of ion in the hydrogen ions cytoplasm and body where they occur in specification topics (hydrogen, iron ions fluids of organisms, the body. sodium, iron and phosphate), sodium ions some in high Explain the specific in different four areas of the phosphate ions concentrations and role of hydrogen room. This could include others in very low ions, iron ions, comprehension material, using GCSE concentrations. sodium ions and internet pages, videos etc knowledge, explain phosphate ions. Each type of ion has a get students to work in groups how we gain and Relate the role of specific role, depending of four and to send one lose inorganic ions each of these ions on its properties. person to each station to and why to their properties. become an expert on that homeostatic control Students should be type of ion of inorganic ions in able to recognise the get group members to the body is so role of ions in the feedback to each other to important. following topics: hydrogen ions and pH; complete a summary table iron ions as a assess knowledge and component of understanding using AfL haemoglobin; sodium techniques ions in the co-transport reinforce through teacher of glucose and amino explanation, if required. acids; and phosphate
When atoms form chemical bonds by transferring electrons, they form ions. Atoms that lose electrons become positively charged ions. Atoms that gain electrons become negatively charged ions. Ions have the electronic structure of a noble gas (Group 0). Hydrogen ions, H+(aq), make solutions acidic. Learning objective Time taken Learning Outcome Learning activity with opportunity to develop skills Assessment opportunities Resources Inorganic ions occur in solution in the cytoplasm and body fluids of organisms, some in high concentrations and others in very low concentrations. Each type of ion has a specific role, depending on its properties. Students should be able to recognise the role of ions in the following topics: hydrogen ions and pH; iron ions as a component of haemoglobin; sodium ions in the co-transport of glucose and amino acids; and phosphate 0.2 weeks Explain what is meant by the term inorganic ions and where they occur in the body. Explain the specific role of hydrogen ions, iron ions, sodium ions and phosphate ions. Relate the role of each of these ions to their properties. Learning activities: provide information stations each type of ion in the specification topics (hydrogen, sodium, iron and phosphate), in different four areas of the room. This could include comprehension material, internet pages, videos etc get students to work in groups of four and to send one person to each station to become an expert on that type of ion get group members to feedback to each other to complete a summary table assess knowledge and understanding using AfL techniques reinforce through teacher explanation, if required. Rich questions: explain the role of: hydrogen ions iron ions sodium ions phosphate ions using GCSE knowledge, explain how we gain and lose inorganic ions and why homeostatic control of inorganic ions in the body is so important.
AQA-7401-SOW.DOCX