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Bridges/Lesson Document: Difference between revisions
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This investigation is effectively testing the internal forces acting within the material used to make the weight-bearing surface of the bridge. The material remains the same for each bridge and the length of the material used is the independent variable. This is a simple investigation to conduct and the variables are easy to control. It is ideal for pupils to do as a completely independent investigation and could therefore be used as an assessment piece for their understanding of fair testing/ investigation structures/ data handling/ drawing of conclusions from data. | This investigation is effectively testing the internal forces acting within the material used to make the weight-bearing surface of the bridge. The material remains the same for each bridge and the length of the material used is the independent variable. This is a simple investigation to conduct and the variables are easy to control. It is ideal for pupils to do as a completely independent investigation and could therefore be used as an assessment piece for their understanding of fair testing/ investigation structures/ data handling/ drawing of conclusions from data. | ||
[[File:Bridges.png|5000x500px]] | [[File:Bridges.png|5000x500px]] | ||
[[File:fairtest.jpeg| | [[File:fairtest.jpeg|5000x500px]] | ||
[[File:Bridges_chart.png|5000x500px]] | |||
Here is an interactive simulation to help reinforce the learning objectives: | Here is an interactive simulation to help reinforce the learning objectives: | ||
http://www.pbs.org/wgbh/buildingbig/lab/shapes.html | http://www.pbs.org/wgbh/buildingbig/lab/shapes.html | ||
