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Year 9
The following units are delivered in Year 9:
9A Science and fiction
This unit uses the theme of fiction (mainly film) as a basis for exploring inheritance in plants and animals. How variation is influenced by the environment is also considered, as are selective breeding, cloning and genetic modification.
9B A model career
This unit uses the theme of modelling to revise work on organ systems and diet. These ideas are built on further by considering the locomotive system, the benefits of exercise and the dangers of smoking and drugs.
9C On the farm
This unit is about farming and covers photosynthesis, how plants are adapted to obtain the raw materials they need, aerobic respiration in plants, synthesis of substances from glucose, and some of the problems associated with modern farming techniques.
9D Crime scene investigations
This unit uses the theme of forensic science to revise work on microscopes, organs, sexual reproduction and lifecycles from Year 7. There is also a more formal look at both animal and human behaviour (ethology and psychology).
9E Building for the future
This unit uses the context of building materials to explore the properties of metals and rocks. It builds on work in Year 8 (on metals) to introduce neutralisation reactions of metal oxides and carbonates. It also revises and extends work in Year 8 on the rock cycle. It ends with a look at other building materials in the context of sustainability.
9F Sculpture park
This unit develops ideas on the reactivity of metals and issues related to corrosion. The context is the use of metals for sculpture.
9G Cleaning up
This unit looks at the effects of pollution – both natural and that caused by humans – with the emphasis on the causes and effects of acid rain. It goes on to look at ways of monitoring pollution and why this needs to be done, and concludes by looking at the evidence for global warming and some of its consequences.
9H Flying materials
This unit is set in the context of the materials used to build and fly aircraft. It looks at how materials are selected according to their properties, and how synthetic materials can be made and combined. It introduces the idea of conservation of mass, and looks at combustion reactions and other reactions that can be used to transfer energy.
9I Buying energy
This unit looks at energy and energy transfers, and builds on earlier work on electricity to develop ideas of energy transfers in circuits. The theme for the unit is the effect on the environment of using electricity generated using fossil fuels,and how this can be reduced.
9J Satellites and space
This unit revises ideas about mass and weight, and extends them to look at the effects of gravity in the Solar System, and how ideas about the Solar System have changed. It is set in the context of using satellites to observe the Earth and other bodies in the Solar System.
9K Record breakers
This unit revises work from Year 7 on speed, introduces the speed equation and revises the effects of balanced and unbalanced forces on moving objects. It goes on to look at acceleration quantitatively, and then at why moving objects have a terminal velocity. It is set in the context of speed records, concentrating mainly on ThrustSSC, the first supersonic land vehicle.
9L Dam it!
This unit looks at the link between forces and pressure, pressure calculations, pressure in gases and liquids, levers, turning forces and moments. It is set in the context of dams and the machinery required to build them
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