Straw And Rubber Band Bridge

Use more pins and glue to attach the straw bridge to the stabilizing straws on the wood posts.

Straw and rubber band bridge.

Before building dad and aidan looked at different types of bridge designs on this site. They experiment with different geometric shapes and determine how shapes affect the strength of materials. More information straw and rubber band bridge engineering challenge stem. 4 if the rubberband drops the straw has to be cut rules.

This is another activity idea for a popsicle stick bridge but if you scroll down a couple pages there is information about different. Nov 8 2016 explore dana marino s board straw bridge on pinterest. Once completed the bridge will be a firm structure still capable of movement. 20 straws and tape.

Insert the straws end to end and secure them with the pins. 2 pass the rubberband before the time limit time limit example. 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. Now build a tower as tall as you can on top of the balloon using the materials.

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. 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. 10 seconds 3 the band must not fall.

Straws are flexible so manipulate them into shape to create your structure. Paper 1 cup 1 balloon 2 rubber bands 4 spoons 6 mailing labels 2 straws 10 toothpicks string. Build a bridge out of straws and straight pins that can support the weight of 100 pennies in a small cup. Stack of paper from recycling.

1 hands not allowed to hold the straws or rubberband. Give the teams time to plan and build their bridge. Their goal is to build the strongest bridge with a truss pattern of their own design while meeting the design criteria and constraints. Balance the blown up balloon in the cup.