Paper Bridge STEM Challenge Worksheet
What you do (Shape makes strength): 1. Place two books 15 cm apart, low and steady. 2. Lay a flat sheet across and add coins one by one in the middle until it falls. 3. Fold the same kind of sheet into a zigzag and test it the same way. 4. Record the coins each shape holds, then wash your hands.
NameDateTime takenScore ___ / 40
- 1.🏗️ Where does a bamboo pole get its strength from? (a) tubes (b) arches and domes (c) triangles
- 2.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the square (b) the heart shape (c) the star (d) the triangle
- 3.True or false: a magnet is needed for the paper bridge. (a) True (b) False
- 4.🧺 Do we need a battery cell for the paper bridge? (a) not needed (b) needed
- 5.True or false: a magnet is not needed for the paper bridge. (a) False (b) True
- 6.🧺 Which of these is needed for the paper bridge? (a) a magnet (b) yeast (c) a battery cell (d) sheets of paper
- 7.🏗️ Where does a roof frame get its strength from? (a) arches and domes (b) triangles (c) tubes
- 8.True or false: coins is needed for the paper bridge. (a) True (b) False
- 9.🏗️ Which of these gets its strength from a tube shape? (a) an electric tower (b) a hollow bird bone (c) a bridge truss (d) an eggshell
- 10.⚖️ Fair test — which paper shape holds the most coins? True or false: where coins are placed is what we measure. (a) True (b) False
- 11.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) two books (c) coins (d) turmeric powder
- 12.🧺 Which of these is not needed for the paper bridge? (a) coins (b) sheets of paper (c) turmeric powder (d) two books
- 13.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) the gap between books (b) the shape of the paper (c) coins it holds
- 14.🌉 Does a U-shaped channel make a strong or a weak bridge? (a) weak bridge (b) strong bridge
- 15.⚖️ Fair test — which paper shape holds the most coins? What do we do with “where coins are placed”? (a) we measure it (b) we change it (c) we keep it the same
- 16.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) the kind of paper (b) where coins are placed (c) the shape of the paper (d) the gap between books
- 17.🏗️ Where does an eggshell get its strength from? (a) arches and domes (b) tubes (c) triangles
- 18.🌉 Does a torn flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
- 19.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is kept the same. (a) True (b) False
- 20.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) more coins (b) the same coins (c) fewer coins (d) only water
- 21.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of coins”? (a) we change it (b) we keep it the same (c) we measure it
- 22.True or false: a flat tissue makes a strong bridge. (a) True (b) False
- 23.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) yeast (b) sheets of paper (c) two books (d) coins
- 24.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) lick your fingers (b) rub your eyes (c) skip washing (d) wash your hands
- 25.True or false: an electric tower gets its strength from triangles. (a) False (b) True
- 26.🏗️ Which of these gets its strength from arches or domes? (a) an electric tower (b) a temple dome (c) a round pillar (d) a bamboo pole
- 27.🧺 Do we need a balloon for the paper bridge? (a) needed (b) not needed
- 28.True or false: a hollow bird bone gets its strength from a tube shape. (a) True (b) False
- 29.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the gap between books”? (a) we keep it the same (b) we change it (c) we measure it
- 30.True or false: a mirror is not needed for the paper bridge. (a) False (b) True
- 31.🏗️ Where does a temple dome get its strength from? (a) arches and domes (b) triangles (c) tubes
- 32.🔍 Which is the odd one out? (a) a torn flat sheet (b) a wet flat sheet (c) a zigzag-folded sheet (d) a flat tissue
- 33.🏗️ Where does an electric tower get its strength from? (a) arches and domes (b) tubes (c) triangles
- 34.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) the shape of the paper (b) where coins are placed (c) coins it holds (d) the kind of coins
- 35.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of paper”? (a) we change it (b) we keep it the same (c) we measure it
- 36.True or false: sheets of paper is needed for the paper bridge. (a) True (b) False
- 37.🌉 Does paper with folded edges make a strong or a weak bridge? (a) weak bridge (b) strong bridge
- 38.🏗️ Which of these gets its strength from triangles? (a) an electric tower (b) an eggshell (c) a round pillar (d) an old stone bridge
- 39.🔍 Which is the odd one out? (a) a wet flat sheet (b) a flat tissue (c) rolled paper tubes (d) one flat sheet
- 40.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) zero (b) more (c) the same number of (d) fewer
Answer key
- tubes
- the triangle
- False
- not needed
- True
- sheets of paper
- triangles
- True
- a hollow bird bone
- False
- turmeric powder
- turmeric powder
- the gap between books
- strong bridge
- we keep it the same
- the shape of the paper
- arches and domes
- weak bridge
- True
- fewer coins
- we keep it the same
- False
- yeast
- wash your hands
- True
- a temple dome
- not needed
- True
- we keep it the same
- True
- arches and domes
- a zigzag-folded sheet
- triangles
- coins it holds
- we keep it the same
- True
- strong bridge
- an electric tower
- rolled paper tubes
- more
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