GOALS:
GOALS:
Learn about the engineering and physics principles of a cantilever bridge.
Collaboratively build an engineering design project with others.
Meet project requirements with limited resources.
Experience the engineering design process.
Reflect and repeat.
Discuss and gain experience calculating "material efficiency" (Explanatory Video)
Materials:
Materials:
30 one inch washers per group
LOTS of wooden paint paddles (A large box can be good for 6 groups)
Meter Sticks
Scales (units set to grams)
Notability for iPad and Stylus (or another sketching app or sketching paper / writing utensils)
Original Lesson Attribution: Brian Crosby - IES STEM by @wfryer - Blog post by Dr. Fryer