Straw And Rubber Band Bridge

2 pass the rubberband before the time limit time limit example.

Straw and rubber band bridge.

Give the teams time to plan and build their bridge. Build a bridge out of straws and straight pins that can support the weight of 100 pennies in a small cup. This is another activity idea for a popsicle stick bridge but if you scroll down a couple pages there is information about different. More information straw and rubber band bridge engineering challenge stem.

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. Paper 1 cup 1 balloon 2 rubber bands 4 spoons 6 mailing labels 2 straws 10 toothpicks string. Balance the blown up balloon in the cup. 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. 10 seconds 3 the band must not fall. They experiment with different geometric shapes and determine how shapes affect the strength of materials. Build a truss bridge that spans at least 25 cm using only straws and tape.

Use more pins and glue to attach the straw bridge to the stabilizing straws on the wood posts. Straws are flexible so manipulate them into shape to create your structure. 4 if the rubberband drops the straw has to be cut rules. Insert the straws end to end and secure them with the pins.

Before building dad and aidan looked at different types of bridge designs on this site. See more ideas about straw bridge classical conversations stem science. Working as engineering teams students design and create model beam bridges using plastic drinking straws and tape as their construction materials. 1 hands not allowed to hold the straws or rubberband.

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. Stack of paper from recycling. Distribute supplies to each team. Now build a tower as tall as you can on top of the balloon using the materials.