• Science 5.3
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  • Give 2 reasons why a dolphin can move very fast through the sea.
    The dolphin has a streamlined shape; it has a smooth skin.
  • Which force slows down these lories because of their length and size?
    Air resistance
  • How do you think the design feature of the lorry's head helps the lorry to travel faster?
    Give a lorry a more strealined shape to overcome the air resistance and go faster.
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