You should wear the mouth dust protector. Not only will you separate out the ingredients that go into making concrete, but you will learn the important lesson of the time and energy needed to separate the largest sized stones from the smallest particles that contain the cement. This activity will lead you to a working definition of concrete. 3 separating sieves with different sized holes.Vitruvius has already found some interesting results, and like all good science-artists, you decide to investigate further… Equipment: What’s more he plans to include your results in his ‘ten books on Architecture’! Vitruvius is researching how altering the ratio of cement, water and different aggregates affects the properties of concrete and he asks you to carry out some of the investigations. You are a budding, young science-artist who has been apprenticed to the civil engineer Vitruvius (c80–70 BCE -c15 BCE). Theorising what is happening chemically as the concrete sets.
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