TERM 2 Strand 2 Matter and materials


54


Topic 1 Atoms Unit 1 The building blocks of matter ....................................................................... 55 Unit 2 Sub-atomic particles ...................................................................................... 56 Unit 3 Elements and compounds .............................................................................. 57 Topic 2 Particle model of matter Unit 1 The concept of the particle model of matter ................................................. 60 Unit 2 Diffusion ....................................................................................................... 63 Unit 3 Change of state .............................................................................................. 65 Unit 4 Density, mass and volume ............................................................................. 66 Unit 5 Expansion and contraction ............................................................................ 70 Unit 6 Pressure ......................................................................................................... 71 Topic 3 Chemical reactions Unit 1 Reactants and products .................................................................................. 74 Strand 2 Assessment ................................................................................................ 77


TERM 3 Strand 3 Energy and change


78


Topic 1 Static electricity Unit 1 Friction and static electricity ......................................................................... 80 Topic 2 Energy transfer in electrical systems Unit 1 Circuits and current electricity ...................................................................... 82 Unit 2 Components of a circuit ................................................................................ 82 Unit 3 Effects of an electric current ......................................................................... 84 Topic 3 Series and parallel circuits Unit 1 Series circuits and parallel circuits ................................................................ 88 Unit 2 Output devices in complex circuits ............................................................... 93 Unit 3 History of electricity and careers in electricity ............................................. 93 Topic 4 Visible light Unit 1 Radiation of light .......................................................................................... 95 Unit 2 The visible spectrum ..................................................................................... 97 Unit 3 Opaque and transparent substances ............................................................... 99 Unit 4 Absorption and reflection of light ................................................................. 101 Unit 5 Seeing light ................................................................................................... 104 Unit 6 Refraction of light ......................................................................................... 105 Unit 7 Careers in optics, physics and fibre optics .................................................... 109


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