2 (1hr for P5.1.3 recall the typical size (order of Engage: The scale of the universe 2 Link to delivery guide: separate and magnitude) of atoms and small molecules This popular interactive allows users to scroll through orders of magnitude of scale with examples of combined) P5.1.4 recall that atomic nuclei are objects of relevant sizes, from the observable universe down to the Planck length. composed of both protons and neutrons, and that the nucleus of each element has a Build an atom: Atomic structure, atoms, atomic nuclei Explore: characteristic positive charge An interactive app allowing users to build an atom from protons, neutrons and electrons, which gives the electric charge (ionisation) of the atom and tells whether the atom being built is stable or unstable. Explain: Molymod atom building Extend: Elements, atomic radii and the periodic radii A web page featuring a version of the periodic table in which elements are represented as circles of sizes proportional to their atomic radii. Evaluate: Get pupils to order particles, atoms, molecules etc. according to size. 3 (1hr for P5.1.5 recall that nuclei of the same Engage: What are atoms and isotopes? Link to delivery guide: separate and element can differ in nuclear mass by A short (3 minutes), simple video about the structure of atoms and the nature of isotopes. combined) having different numbers of neutrons, these are called isotopes Explore: They may have already covered this in Chemistry to use questioning to prior assess pupils’ P5.1.6 use the conventional representation knowledge and understanding. to show the differences between isotopes, Explain: Definition and structures including their identity, charge and mass Extend: Uses of Isotopes research – Evaluate: Get pupils to write their own definitions of isotopes giving examples. Swap and improve.
2 (1hr for separate and combined) P5.1.3 recall the typical size (order of magnitude) of atoms and small molecules P5.1.4 recall that atomic nuclei are composed of both protons and neutrons, and that the nucleus of each element has a characteristic positive charge Engage: The scale of the universe 2 This popular interactive allows users to scroll through orders of magnitude of scale with examples of objects of relevant sizes, from the observable universe down to the Planck length. Explore: Build an atom: Atomic structure, atoms, atomic nuclei An interactive app allowing users to build an atom from protons, neutrons and electrons, which gives the electric charge (ionisation) of the atom and tells whether the atom being built is stable or unstable. Explain: Molymod atom building Extend: Elements, atomic radii and the periodic radii A web page featuring a version of the periodic table in which elements are represented as circles of sizes proportional to their atomic radii. Evaluate: Get pupils to order particles, atoms, molecules etc. according to size. Link to delivery guide: 3 (1hr for separate and combined) P5.1.5 recall that nuclei of the same element can differ in nuclear mass by having different numbers of neutrons, these are called isotopes P5.1.6 use the conventional representation to show the differences between isotopes, including their identity, charge and mass Engage: What are atoms and isotopes? A short (3 minutes), simple video about the structure of atoms and the nature of isotopes. Explore: They may have already covered this in Chemistry to use questioning to assess pupils’ prior knowledge and understanding. Explain: Definition and structures Extend: Uses of Isotopes – research Evaluate: Get pupils to write their own definitions of isotopes giving examples. Swap and improve. Link to delivery guide:
314780-chapter-p5-suggested-teaching-hours-and-outline-scheme-of-work.docx