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BUILDING BIG
Bridges
Domes
Skyscrapers
Dams
Tunnels
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The Educators Guide
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  Activity: Columns
Activities Index | Handout | Educator Ideas  

Now that you've been exploring materials, shapes, and forces, it's time to put them together in a structure you design and build.

Choose a challenge, and think BIG!

Bridge Challenge
Design and build the strongest bridge you can that spans a distance of 45 centimeters (about 1.5 ft.), using any of these materials: 
• drinking strawsIllustration of roll of cellophane tape.
• paper clips
• newspaper
• tape
• string or yarn

Dome Challenge
Design and build the widest dome you can that supports a dictionary, using any of these materials: 
• drinking strawsIllustration of a dome.
• pipe cleaners
• tape
• string or yarn

Skyscraper Challenge
Design and build the tallest skyscraper you can that supports the load of a golf ball, using any of these materials: 
• drinking strawsIllustration of skyscraper.
• paper clips
• newspaper
• tape
• 4 toilet-paper tubes
• salt or sand

Dam Challenge
Design and build a dam that blocks a river in a tub of wet sand, using any of these materials: 
• popsicle sticksIllustration of tub of wet sand.
• aquarium gravel
• 1/2 cup of modeling clay

Tunnel Challenge
Design and build a tunnel through a tub of sand, without touching the sand with your hands. You can use any of these materials: 
• plastic spoonIllustration of cardboard paper towell roll tubes.
• 4 toilet-paper tubes
• paper
• tape
• paper cup

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