Build a Bridge

consider this

Design and build the strongest bridge you can that spans at least 1.5ft with materials around your house (craft supplies, building toys, newspapers). Get creative with materials! Look at photos and diagrams of real life bridges. What different bridge designs exist? Do you see any similarities between different bridge designs?

key terms

beam: (noun) long thick piece of material used in construction

construction: (noun) the act of building something

column: (noun) tall vertical cylindrical structure standing upright

mechanics: (noun) branch of physics concerned with the motion of bodies


design a solution

generate an idea

What makes a bridge strong? What features bring stability to bridges? Shapes? What materials do you have around the house that you could make your bridge out of?

design and build a prototype

Build your bridge! How can you combine/attach materials? Test your bridge. What modifications can you make? Bonus Challenge: Can something travel over it? A toy car? A remote-controlled car?

share your idea

Film a short (max 2 min) video pitch of your invention. Include details like who is it for, what problem does it solve, etc. Have fun! Upload/share your video to twitter, facebook or Instagram. Don't forget to tag us!

example solutions

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