I-mag+Challenge,+2007

I-mag Challenge 2007: Building Big with Rolled Newspapers
Using easily available materials, children are invited to build imaginative structures, discovering some interesting science along the way.
 * I-mag (read imagination) Challenges** are a hands-on trigger for lively and innovative thinking.

This year the materials to be used are tubes made from tightly rolled newspaper,sellotape or paper masking tape. **Nothing else!** The science focuses on the special strength of triangles and the way they handle forces and load. Surprisingly large structures can be built! Children may work by themselves or in pairs.__**Entries close at the end of Term 3.**__

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 * [[image:bighomelogo.gif width="261" height="251"]] || **Check out The Labs at[| this excellent interactive site:]

Forces Lab:** Squeezing, stretching, sliding, twisting and bending - try them all. withstand. can form BIG ideas! ||
 * Materials Lab:** Test out the materials engineers use to build big.
 * Loads Lab:** Explore the loads that big structures must be able to
 * Shapes Lab:** Rectangles, triangles and arches - simple shapes

|| ==__Want some 3D ideas?__== ==**[|Click and drag a Platonic Solid]**== ==**[|Build a Geodesic Dome]**== === === ||
 * [[image:octaicosahedron.jpg width="225" height="219"]]

For heaps of interesting stuff on triangles visit: Interesting Triangles

 * [[image:persp6.gif width="191" height="135" caption="Triangles for 3 D drawing"]] || [[image:bmd_trg2.jpg width="174" height="149" caption="Bermuda Triangle mystery"]] || [[image:fig1-5.gif width="141" height="150" caption="Time triangles"]] ||
 * [[image:vanishing_points.jpg width="184" height="138" caption="The Vanishing Point"]] || [[image:pas2.gif width="171" height="155" caption="Triangles and number puzzles"]] || [[image:Blacktriangle.jpg width="168" height="150" caption="Black Trianglesand UFOs"]] ||
 * [[image:fxdpre5.gif width="178" height="161" caption="Sierpinski's Triangle"]] || [[image:pinwheel-wallpaper.jpg width="186" height="138" caption="Fractal Art"]] || [[image:penrose-impossible-triangle.jpg width="169" height="150" caption="The Impossible Triangle"]] ||