Your Challenge… Build the tallest tower you can that can support a textbook!
Your Challenge… Build the tallest tower you can that can support a textbook!
Dec 22, 2015
Welcome message from author
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
Your Challenge…
Build the tallest tower you can that can support a textbook!
Your Materials…
50 straws 3 ft of masking tape
The catch…
Each material has a value and your tower cannot cost more than $10,000 dollars to build!
1 straw is worth $200
1 inch of tape is worth $100
Things to consider…
Rigidity of Forms- What shape is the strongest? Squares? Rectangles ?
Triangles?
What should the shape of my tower be? Big base? Small base?
The Big IdeaThe Big Idea
TensionTension: Think of it as “Stretching,” like a string being pulled.
CompressionCompression: Think of it as “Squishing,” like pushing on a wall
When members are arranged like this they are called trussestrusses.
Can you name a type of truss you’ve seen in your everyday life?
StabilityStability of our straw structures depends on the balance between straws that are in tension and ones that are in compression
Two kinds of forces: Tension and Compression
Trusses in Everyday LifeTrusses in Everyday Life
Eiffel TowerEiffel Tower
BicyclesBicycles Houses and RoofsHouses and Roofs
BridgesBridges
Related Documents
