Bridge Challenge

Types of Bridges Use the class set handouts on Bridge Basics to fill out the chart in your notebook. SKETCH PROS CONS Truss Beam Suspension Arch

Types of Bridges

Examples of Truss Bridges

Toothpick Truss Bridge Your Truss Bridge will be constructed out the following materials: 1 plastic Bag of Toothpicks (approximately 500) Elmer’s glue Your bridge will be placed on top of two tables 1 foot apart. Dictionaries will be placed underneath the bridge on either side. You will work in pairs. NO GROUPS larger.

Toothpick Bridge Grading Rubric 80 60 40 20 Write Up All components of write up are complete Missing no more than 1 component Missing no more than 2 components Missing no more than 3 components 4 or more components missing Following Directions Truss bridge built out of only toothpicks and glue Bridge not built at all or other materials included Cooperation Worked cooperatively and respectfully all days of construction Worked cooperatively and respectfully at least 4 days of construction Worked cooperatively and respectfully at least 3 days of construction Worked cooperatively and respectfully at least 2 days of construction Group was unable to work cooperatively most days to build a bridge TOTAL ASSESSMENT POINTS _____/240

Paper Tower Challenge Your group will be constructing a tower made out of only 2 pieces of printer paper and 6 cm of masking tape. You can make one support beam that touches the table, but no more! Your tower cannot be taped to anything- it must be free standing

#60 Continued Draw a sketch of your final paper tower design.