you are here:home> initial teacher training> key stage 4 Please choose an topic from the menu below by clicking on the appropriate icon to open in Word or Pdf format. Alternatively, save the Word or Pdf documents to your machine by right-clicking (or control-click if using a Mac) the icons and selecting save as. # Topic Word Pdf 4.1 Atomic structure and the periodic table 4.2 Useful products from organic sources 4.3 Earth and atmosphere 4.4 Useful products from metal ores, rocks and air 4.5 Quantitative chemistry 4.6 Chemical reactions 4.7 Rates of reaction/reactions involving enzymes 4.8 Energy transfer in reactions 4.9 Circuits and electric charge 4.10 Forces and motion 4.11 Waves: Electromagnetic spectrum 4.12 Waves: Sound and ultrasound 4.13 The solar system and the wider universe 4.14 Energy transfer 4.15 Electromagnetic effects 4.16 Radioactivity