1. Bridge Building
Challenge
Mr. Myler

2. What is a Bridge?

3. Weight per straw

5. Simple Bridge Test
Straws Prediction Actual Weight
Weight per straw
1
2
3
4

6. • Name___________________________________
• Cut your straws in half.
• Make hinges from your paperclips by hooking 2 together from the
narrow end.
• Use your hinges to make a triangle and a quadrilateral from your
straws.
• Test the shapes to see which one is stronger or more stable.
• Find a way to make your quadrilateral more stable? Explain what
you did?
• Using what you have learned, design the side of a bridge to cross
the bottom of this paper. Combine your straw shapes to make the
bridge, then trace it on the paper.. What kind of shapes should your
bridge be made out of?

7. Strong Shapes

8. Find the triangles

10. Computer Simulation

11. Simple Bridge Test
Spaghetti Prediction Actual Weight
Weight per piece
1
2
3
4
5

16. Bridge Rules
You must have a final bridge design and spaghetti
calculation before building.
You may use 50 pieces of spaghetti.
You may trade 2 spaghetti for 1 linguini
You may use only white glue, only on joints.
You must be able to fit the test block into the
bridge.
The bridge can only be supported by the blocks
on the end, 8 inches apart.

17. Setting up Your Tray
• Put a small piece of masking tape on the tray
and write both names on it.
• Collect:
– 50 pieces of Spaghetti
– 1 piece of plastic
– 1 checklist
– Your bridge design

18. Partners (21st Century)
• Buu and Jonaki
• Ryan and Tania
• Timmy, Marco, and Nik
• Dariel and Skye
• Abigail and Natalyiah
• Sara and Naia