So we have looked at many amazing bridges around the world. Now lets look at what makes them strong enough to hold the heavy loads that go across them every day.
Watch the web link and the read through the PowerPoint below and discuss it with an adult.
Let's do some testing! Look at how trusses are used to strengthen a bridge and use worksheet 1A 'Building Bridges' and some card to test different bridge designs.
Unfortunately not the ones with chocolate chips.
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