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Monday 17 September 2018

Why are bridges built?

Why are bridges built?


Bridges are now the things that help us cross: rivers, lakes, oceans and valleys.
Bridges come in all sorts of shapes and sizes. In this explanation, you will learn about
why they are built, what materials they use to make bridges and what people used to
get to the other side when bridges were not made.


People build bridges so it is easy to get over rivers and lakes. It was also built
because people mostly suffered a disease called the New Zealand disease. The New
Zealand disease is drowning. In the olden days people would swim but often they would
drown from all the heavy items they wanted to take to the other side.


Bridges can be made out of a variety of different materials and objects. A common
material that is used to make bridges today are metal,iron, and steel. In the olden days, t
hey used wood and rock to make bridges. Research shows that triangles are
the most common shapes on bridges.


If people wanted to get from one point to another without going through rough objects or
things like water and rivers. In late 1800 they used a punt to get from one point to another
without going on liquid that might damage items people wanted to take to the other side. People
used a punt to get to the other side a punt is when you go into a long and narrow boat and
you had to pull a chain to push the boat forwards.


Like I said before bridges are now the things that help us cross: rivers, lakes, oceans and
Valleys. Bridges come in all sorts of shapes and sizes. Normally people would prefer boats
to get from one side to another. Now that you have looked at this explanation you now know
about why they are built, what they use to make it and what people used when bridges were not made.

This week for writing. Ms Kirkpatrick writing group was writing a explanation about why people build bridges. We needed to have a hook my hook was a list and we also needed to have 5 paragraphs. The introduction needed to link to the paragraphs and we also needed to include what we are going to talk about in our Introduction. Something easy in I found to write in my explanation was the conclusion because we needed to copied and paste the introduction and then change it up.

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