Now build a tower as tall as you can on top of the balloon using the materials.
Straw and rubber band bridge.
Paper 1 cup 1 balloon 2 rubber bands 4 spoons 6 mailing labels 2 straws 10 toothpicks string.
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.
Balance the blown up balloon in the cup.
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.
Give the teams time to plan and build their bridge.
This is another activity idea for a popsicle stick bridge but if you scroll down a couple pages there is information about different.
Straws are flexible so manipulate them into shape to create your structure.
Working as engineering teams students design and create model beam bridges using plastic drinking straws and tape as their construction materials.
Use more pins and glue to attach the straw bridge to the stabilizing straws on the wood posts.
2 pass the rubberband before the time limit time limit example.
See more ideas about straw bridge classical conversations stem science.
4 if the rubberband drops the straw has to be cut rules.
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.
Nov 8 2016 explore dana marino s board straw bridge on pinterest.
Stack of paper from recycling.
10 seconds 3 the band must not fall.
Build a bridge out of straws and straight pins that can support the weight of 100 pennies in a small cup.
Distribute supplies to each team.
More information straw and rubber band bridge engineering challenge stem.
Insert the straws end to end and secure them with the pins.
1 hands not allowed to hold the straws or rubberband.
Once completed the bridge will be a firm structure still capable of movement.
Build a truss bridge that spans at least 25 cm using only straws and tape.