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Bridges
Three shapes, one gap, and a stack of books.
1 week
The same topic, four ways
Grades 3 to 5
Test flat versus folded paper and record which held more.
🔬 Science🔢 Math✏️ Writing
Build it together: The book-stack challenge
What you need
- paper
- tape
- two piles of books
- coins
Steps
- Same gap for everyone. Each person designs one bridge.
- Load them one coin at a time until they fail.
- Record every result in one shared table.
- The winner explains why their shape won.