Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 149 · 40 questions

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.

1. 1.True or false: a bamboo pole gets its strength from a tube shape. (a) False (b) True
2. 2.🛟 How should the two books be placed for the paper bridge? (a) on a stool edge (b) on top of a pet (c) high and wobbly (d) low and steady
3. 3.🏗️ Where does a roof frame get its strength from? (a) tubes (b) arches and domes (c) triangles
4. 4.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) more (b) the same number of (c) zero (d) fewer
5. 5.🧺 Do we need sheets of paper for the paper bridge? (a) not needed (b) needed
6. 6.🧺 Do we need a mirror for the paper bridge? (a) needed (b) not needed
7. 7.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) coins (c) sheets of paper (d) a magnet
8. 8.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) a ruler (c) a mirror (d) sheets of paper
9. 9.🔍 Which is the odd one out? (a) a zigzag-folded sheet (b) paper with folded edges (c) a U-shaped channel (d) one flat sheet
10. 10.🛟 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
11. 11.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) two books (c) a ruler (d) yeast
12. 12.🧺 Which of these is needed for the paper bridge? (a) two books (b) a magnet (c) yeast (d) a battery cell
13. 13.True or false: one flat sheet makes a weak bridge. (a) False (b) True
14. 14.🏗️ Where does a round pillar get its strength from? (a) triangles (b) tubes (c) arches and domes
15. 15.True or false: sheets of paper is not needed for the paper bridge. (a) False (b) True
16. 16.🧺 Which of these is not needed for the paper bridge? (a) a ruler (b) a magnet (c) sheets of paper (d) two books
17. 17.🏗️ Which of these gets its strength from triangles? (a) an old stone bridge (b) a round pillar (c) a roof frame (d) a bamboo pole
18. 18.🏗️ Which of these gets its strength from a tube shape? (a) a hollow bird bone (b) an eggshell (c) an old stone bridge (d) a temple dome
19. 19.🧺 Do we need a battery cell for the paper bridge? (a) not needed (b) needed
20. 20.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) only water (b) the same coins (c) more coins (d) fewer coins
21. 21.🏗️ Where does a hollow bird bone get its strength from? (a) tubes (b) arches and domes (c) triangles
22. 22.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) turmeric powder (c) sheets of paper (d) two books
23. 23.🏗️ Which of these gets its strength from triangles? (a) a hollow bird bone (b) an electric tower (c) an eggshell (d) a round pillar
24. 24.True or false: a temple dome gets its strength from triangles. (a) False (b) True
25. 25.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) the gap between books (b) coins it holds (c) the shape of the paper (d) the kind of coins
26. 26.⚖️ Fair test — which paper shape holds the most coins? What do we do with “coins it holds”? (a) we measure it (b) we keep it the same (c) we change it
27. 27.🏗️ Which of these gets its strength from arches or domes? (a) a bamboo pole (b) a roof frame (c) an electric tower (d) a temple dome
28. 28.🔍 Which is the odd one out? (a) a wet flat sheet (b) a torn flat sheet (c) a zigzag-folded sheet (d) one flat sheet
29. 29.🏗️ Which of these gets its strength from a tube shape? (a) an old stone bridge (b) a bamboo pole (c) a temple dome (d) a bridge truss
30. 30.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) where coins are placed (b) coins it holds (c) the shape of the paper
31. 31.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
32. 32.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) more (b) not at all (c) less (d) upward
33. 33.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it gets stronger (b) it sags and falls (c) it turns to card (d) it floats up
34. 34.⚖️ Fair test — which paper shape holds the most coins? What do we do with “where coins are placed”? (a) we measure it (b) we keep it the same (c) we change it
35. 35.🌉 Does one flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
36. 36.🏗️ Where does a bridge truss get its strength from? (a) tubes (b) arches and domes (c) triangles
37. 37.🔍 Which is the odd one out? (a) paper with folded edges (b) a flat tissue (c) one flat sheet (d) a wet flat sheet
38. 38.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds add glue (b) folds make it wet (c) folds are magnetic (d) folds make it stiffer
39. 39.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) two books (c) a battery cell (d) sheets of paper
40. 40.True or false: rolled paper tubes makes a strong bridge. (a) False (b) True

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