Show Your stuff!
Do a Class demonstration of how you built your periscope!
Finish this story starter... " A  submarine with a broken periscope..."
Exchange your "Work Log" with another peron or group and see if you can build another periscope using the materials and the steps they wrote down.
Teach another student from another class or group 
how to build your periscope. Ask your teacher 
                       about this project first!

Home Workshop Work Log Teacher Info Show Your Stuff! How did you measure up?