Technology project: popsicle stick bridges

por | Ene 9, 2018 | Secondary, Tics

The popsicle stick bridge is a classic science demonstration and competition. Every year many students worldwide build bridges made solely from popsicle sticks and glue, to see which designs can hold the most weight.

Students from S2 carried out a similar project in Technology. They built a bridge using up to 125 in two or three members teams. First, they spent several lessons searching for information about it, identifying several design solutions and deciding which direction to take. They then had to design and build the bridges taking into account limitations on materials (efficiency) aesthetic considerations and of course the objective of the bridge- to span a certain distance and hold weight.

We were surprised by how strong most of them ended up being since most of them held 11 kg. However, the students realised that they could significantly improve their bridges, to avoid folding, deformation, etc.

After the first trial, they were able to improve their bridges. But only adding up to 15 popsicle sticks more. This was another opportunity for the students to learn from others and develop their problem-solving skills, especially reflection.

Many bridges were more resistant this time, and most of them were able to hold over 25 kg without any deformation. Unfortunately, only two of them survived when 40 kg were added.

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