Once completed the bridge will be a firm structure still capable of movement.
Straw and rubber band bridge.
Insert the straws end to end and secure them with the pins.
2 pass the rubberband before the time limit time limit example.
See more ideas about straw bridge classical conversations stem science.
Stack of paper from recycling.
Before building dad and aidan looked at different types of bridge designs on this site.
Balance the blown up balloon in the cup.
Once their bridge is complete participants will place pennies or metal washers at the center of the bridge s span to measure how much weight it can support.
They experiment with different geometric shapes and determine how shapes affect the strength of materials.
How to play straws and rubberbands 1 each person gets a straw 2 the straw must be held using their mouth 3 they have to pass the rubberband around using the straw.
Build a bridge out of straws and straight pins that can support the weight of 100 pennies in a small cup.
Nov 8 2016 explore dana marino s board straw bridge on pinterest.
Straws are flexible so manipulate them into shape to create your structure.
Distribute supplies to each team.
20 straws and tape.
Paper 1 cup 1 balloon 2 rubber bands 4 spoons 6 mailing labels 2 straws 10 toothpicks string.
Give the teams time to plan and build their bridge.
4 if the rubberband drops the straw has to be cut rules.
Build a truss bridge that spans at least 25 cm using only straws and tape.
Working as engineering teams students design and create model beam bridges using plastic drinking straws and tape as their construction materials.
Last friday at cc there was a project introduced for the students to build bridges made from straws r.
Their goal is to build the strongest bridge with a truss pattern of their own design while meeting the design criteria and constraints.
1 hands not allowed to hold the straws or rubberband.
More information straw and rubber band bridge engineering challenge stem.
Now build a tower as tall as you can on top of the balloon using the materials.