Welcome students. In today’s blog we will be discovering structures and mechanisms. Throughout this blog we will be specifically addressing bridges. The science strand of understanding structures and mechanisms requires that we study structures and mechanism and determine what forces act on these structures and how these structures affect our daily lives. Some of the greatest structural and engineering ideas have been used to build many of the magnificent bridges that exist in our world today. You as students will be researching the structural and engineering aspects that are applied to bridges and you will be responsible for applying what you have learned about bridges to complete a final unit activity in groups of 3-4 in which you will be building your own bridges. Although this project is going to be discussed further in class, and is not due for quit some time still, it is a great idea for us as a class to be thinking of the aspects that we might a
pply to the completion of this project. It is recommended that you visit and explore the Construction of Bridges link provided to acquire information that will benefit you as we complete our unit on structures and mechanisms. When visiting the website you will be presented with a bridges home page; from this point you may click on thumbnails what will take you to other areas of the site. I recommend clicking on the basic notes about bridges first. Some questions you may want to consider finding the answers to are as follows:1) What forces act on the structure of bridges?
2) What are some construction concepts that are applied to the building of bridges that help to reduce/protect against various forces?
3) What shape/design concepts are used in the construction of bridges?
4) What are some different types of bridges and how do they work?
5) How do bridges affect our lives?
*The completion of this activity will address the specific expectation of investigating the factors that determine the ability of a structure to support a load.
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