Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Uploaded on Apr 16, 2007
Download/DVD: http://hilaroad.com/video/ An arch is a structure commonly used in bridges and buildings. This video presents examples of the arch as a structural unit and introduces the concepts of compression and tension. Provides support for the structures and mechanism unit of grade 6 to 8 science programs. Check our website for more projects: http://hilaroad.com/projects