Friday, 8 August 2014

Bridges and Tunnels

The First Bridge building Attempts.

We began our inquiry by making bridges of our own.  Mrs Hodder gave us 2 A3 pieces of paper and 3 stickers.  We had to make our bridge span the 20cm gap between out tables.  The "car" had to be able to sit on top with out falling.  
Here are our attempts.

We did it!

Ours was strong enough to carry 4 cars.

Oh, yay!

Ours was quite wide.

Oops! We need some more bridge building experience.

This is too steep.

Oh no it wont stand without help.
We learnt that you can make thin paper stronger when you fold it.  We also found out that triangles and fan shapes are strong too.

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