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"For hundreds of years, people have been obsessed with taking the shortcut over valleys and rivers instead of going around them. To do that, we use bridges. In this module, you will have the chance to become a bridge engineer and design and build your own. You will also learn about some of the different types of bridges and how to decide which one to use in different situations."

I have been working on a bridge building technology unit and this pysical science unit looks interesting if you are a science or physics teacher.