Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 890 · 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 temple dome gets its strength from triangles. (a) False (b) True
2. 2.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) sheets of paper (c) a magnet (d) two books
3. 3.🧺 Which of these is not needed for the paper bridge? (a) two books (b) yeast (c) a ruler (d) sheets of paper
4. 4.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
5. 5.🧺 Do we need a ruler for the paper bridge? (a) not needed (b) needed
6. 6.🌉 Does one flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
7. 7.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) rub your eyes (b) lick your fingers (c) wash your hands (d) skip washing
8. 8.🏗️ Which of these gets its strength from triangles? (a) a temple dome (b) a hollow bird bone (c) a roof frame (d) a bamboo pole
9. 9.🏗️ Which of these gets its strength from a tube shape? (a) an eggshell (b) a bridge truss (c) an old stone bridge (d) a round pillar
10. 10.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is what we measure. (a) False (b) True
11. 11.🌉 Which of these makes a strong bridge? (a) one flat sheet (b) paper with folded edges (c) a wet flat sheet (d) a torn flat sheet
12. 12.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) fewer coins (b) more coins (c) the same coins (d) only water
13. 13.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of paper”? (a) we measure it (b) we change it (c) we keep it the same
14. 14.🏗️ Where does a bridge truss get its strength from? (a) arches and domes (b) tubes (c) triangles
15. 15.🧺 Do we need a battery cell for the paper bridge? (a) not needed (b) needed
16. 16.True or false: one flat sheet makes a weak bridge. (a) False (b) True
17. 17.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is the one thing we change. (a) False (b) True
18. 18.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it floats up (b) it sags and falls (c) it turns to card (d) it gets stronger
19. 19.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) not at all (b) upward (c) more (d) less
20. 20.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is what we measure. (a) True (b) False
21. 21.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) a ruler (c) coins (d) turmeric powder
22. 22.🧺 Which of these is not needed for the paper bridge? (a) two books (b) a magnet (c) sheets of paper (d) a ruler
23. 23.⚖️ Fair test — which paper shape holds the most coins? What do we do with “coins it holds”? (a) we change it (b) we keep it the same (c) we measure it
24. 24.🌉 Does a torn flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
25. 25.True or false: one flat sheet makes a strong bridge. (a) True (b) False
26. 26.True or false: yeast is not needed for the paper bridge. (a) False (b) True
27. 27.True or false: a roof frame gets its strength from triangles. (a) False (b) True
28. 28.True or false: a magnet is not needed for the paper bridge. (a) False (b) True
29. 29.🧺 Which of these is not needed for the paper bridge? (a) two books (b) sheets of paper (c) a balloon (d) coins
30. 30.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) the kind of coins (b) the kind of paper (c) the gap between books (d) the shape of the paper
31. 31.True or false: a magnet is needed for the paper bridge. (a) True (b) False
32. 32.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) the same number of (b) zero (c) fewer (d) more
33. 33.True or false: a ruler is not needed for the paper bridge. (a) False (b) True
34. 34.🧺 Do we need sheets of paper for the paper bridge? (a) needed (b) not needed
35. 35.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds add glue (b) folds are magnetic (c) folds make it wet (d) folds make it stiffer
36. 36.True or false: a mirror is needed for the paper bridge. (a) False (b) True
37. 37.🧺 Which of these is needed for the paper bridge? (a) a magnet (b) a mirror (c) yeast (d) two books
38. 38.🧺 Which of these is not needed for the paper bridge? (a) coins (b) a ruler (c) sheets of paper (d) turmeric powder
39. 39.🏗️ Which of these gets its strength from a tube shape? (a) a bridge truss (b) an eggshell (c) a hollow bird bone (d) an electric tower
40. 40.🔍 Which is the odd one out? (a) a U-shaped channel (b) rolled paper tubes (c) a zigzag-folded sheet (d) one flat sheet

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