The Elephant on the Bridge: Difference between revisions

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{{Rinfo  
{{Rinfo  
|title= Building paper bridges from a piece of A4 paper
|title= The Elephant on the Bridge
|tagline=Oh my Nelly...
|tagline=She's standing still but there are still forces on her - find out what they are?
|topic= forces
|topic= forces
|subject= science, enquiry
|subject= science, enquiry
|resourcenumber= SC0048
|resourcenumber= SC0048
|age= Primary
|age= Primary
|content= A brief explanation of an investigation in to the load carrying capabilities of bridges of varying length and cross sectional area, each built from a piece of A4 paper.
|content= A fun scenario to introduce the idea of balanced forces.
|strategy=
|strategy=
|image=Bridges.png|157x240px
|image=Bridges.png|157x240px
|Learning Objectives=
|Learning Objectives=
*  to gain understanding of the nature of force and the way in which force acts on objects, in the context of paper bridges bearing weights
*  to gain understanding of the nature of force and the way in which force acts on objects, in the context of an elephant balanced on a bridge
*  to gather data and draw conclusions
*  to make observations and discuss the direction simple forces


|additional resources=http://www.pbs.org/wgbh/buildingbig/lab/shapes.html
|additional resources=http://www.pbs.org/wgbh/buildingbig/lab/shapes.html

Revision as of 21:24, 20 September 2012

This resource may not be final.

Bridges.png
She's standing still but there are still forces on her - find out what they are?

Lesson idea. A fun scenario to introduce the idea of balanced forces.

Teaching approach. An interactive way of exploring this activity might be to have the children in small groups(ta) building a rope/string bridge and using a model elephant to stand on it. The children could either observe what happens and then discuss it or could film it and watch in time lapse to see exactly where the movement occurs in the bridge/elephant system. The latter would assist them in considering the direction of the forces acting as they would be able to see the direction of movements very clearly. (edit)

Resource details
Title The Elephant on the Bridge
Topic
Teaching approach
Learning Objectives
  • to gain understanding of the nature of force and the way in which force acts on objects, in the context of an elephant balanced on a bridge
  • to make observations and discuss the direction simple forces
Format / structure
Subject
Age of students / grade
Table of contents
Additional Resources/material needed
Useful information
Related ORBIT Wiki Resources
Other (e.g. time frame)
Files and resources to view and download

Download the document here File:Bridges.doc, or view it on the wiki Bridges/Lesson Document

Acknowledgement
License