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|6000x600px]]
[[File:fairtest.jpeg|5000x500px]]
 
[[File:Bridges_chart.png|6000x600px]]


[[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

Latest revision as of 16:35, 14 November 2012

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.

Bridges.png

Fairtest.jpeg

Bridges chart.png

Here is an interactive simulation to help reinforce the learning objectives:

http://www.pbs.org/wgbh/buildingbig/lab/shapes.html