- Ask pupils to suggest why streamlining is important to the shapes of humans and vehicles and, with the class, compile a chart showing examples, eg body shape of fish, sportswear worn by athletes, wind deflectors on lorries. Ask pupils to write a radio advertisement for sportswear or a car, emphasising the advantages its streamlining will bring.
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- give examples of air and water resistance opposing motion
- explain that in order to increase speed without increasing thrust, resistance (or drag) has to be reduced
- describe ways in which streamlining is achieved and why streamlining is important
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