increase its shapes to shapes to increase its shapes overall strength increase its increase its overall strength effectively to overall strength overall strength increase its overall strength Structure is Structure is Structure Structure is Structure is well balanced and somewhat demonstrates balanced and balanced and stands balanced and some balance stands stands independently stands and stands by independently independently precariously itself with little and solidly even with outside support outside support Structure Structure does Structure Structure Structure performs task for not survive the survives the survives the survives the which it was ‘wind’ and ‘wind’ and ‘wind’ and ‘wind’ and designed (‘wind’ ‘earthquake’ ‘earthquake’ ‘earthquake’ ‘earthquake’ and ‘earthquake’ tests tests for a short tests for the tests for longer tests) time required time than the required time Structure is Structure shows Structure shows Structure shows Structure well aesthetically little attention to some attention attention to thought out, pleasing detail to detail detail extra detail good) Student followed Student needed Student needed Student used Student followed all safety reminders to use some reminders safety safety procedures safety to use safety procedures procedures during the procedures procedures independently independently building process Student could Student offered Student offered Student was able Student was able explain why the little explanation some to explain why to explain with structure is as to why the explanation as to the structure detail and insight strong, stable, structure was why the was strong, why the and withstands strong or stable structure was stable, and could structure was external forces (but not both) strong and stable withstand strong, stable, effectively external forces and could withstand external forces
increase its overall strength shapes to increase its overall strength shapes to increase its overall strength increase its overall strength shapes effectively to increase its overall strength Structure is balanced and stands independently Structure is somewhat balanced and stands precariously even with outside support Structure demonstrates some balance and stands by itself with little outside support Structure is balanced and stands independently Structure is well balanced and stands independently and solidly Structure performs task for which it was designed (‘wind’ and ‘earthquake’ tests) Structure does not survive the ‘wind’ and ‘earthquake’ tests Structure survives the ‘wind’ and ‘earthquake’ tests for a short time Structure survives the ‘wind’ and ‘earthquake’ tests for the required time Structure survives the ‘wind’ and ‘earthquake’ tests for longer than the required time Structure is aesthetically pleasing good) Structure shows little attention to detail Structure shows some attention to detail Structure shows attention to detail Structure well thought out, extra detail Student followed all safety procedures during the building process Student needed reminders to use safety procedures Student needed some reminders to use safety procedures Student used safety procedures independently Student followed safety procedures independently Student could explain why the structure is strong, stable, and withstands external forces effectively Student offered little explanation as to why the structure was strong or stable (but not both) Student offered some explanation as to why the structure was strong and stable Student was able to explain why the structure was strong, stable, and could withstand external forces Student was able to explain with detail and insight why the structure was strong, stable, and could withstand external forces
gr3_structuresmechanisms_0.docx