Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 467 · 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.🌉 Does one flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
2. 2.🌉 Which of these makes a weak bridge? (a) one flat sheet (b) paper with folded edges (c) rolled paper tubes (d) a zigzag-folded sheet
3. 3.🛟 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
4. 4.🏗️ Where does a round pillar get its strength from? (a) triangles (b) tubes (c) arches and domes
5. 5.True or false: a round pillar gets its strength from triangles. (a) False (b) True
6. 6.🏗️ Which of these gets its strength from a tube shape? (a) a roof frame (b) a bamboo pole (c) a bridge truss (d) an old stone bridge
7. 7.True or false: coins is not needed for the paper bridge. (a) False (b) True
8. 8.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) a ruler (c) sheets of paper (d) a balloon
9. 9.True or false: an old stone bridge gets its strength from a tube shape. (a) True (b) False
10. 10.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) zero (b) the same number of (c) more (d) fewer
11. 11.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) upward (b) less (c) not at all (d) more
12. 12.True or false: a bridge truss gets its strength from triangles. (a) True (b) False
13. 13.True or false: a magnet is needed for the paper bridge. (a) False (b) True
14. 14.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) a ruler (c) yeast (d) two books
15. 15.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) two books (c) a mirror (d) a ruler
16. 16.🌉 Does a U-shaped channel make a strong or a weak bridge? (a) weak bridge (b) strong bridge
17. 17.True or false: a torn flat sheet makes a strong bridge. (a) False (b) True
18. 18.🧺 Do we need turmeric powder for the paper bridge? (a) needed (b) not needed
19. 19.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) the shape of the paper (b) the kind of paper (c) the kind of coins (d) coins it holds
20. 20.True or false: one flat sheet makes a weak bridge. (a) False (b) True
21. 21.True or false: turmeric powder is not needed for the paper bridge. (a) True (b) False
22. 22.🧺 Which of these is not needed for the paper bridge? (a) two books (b) coins (c) a ruler (d) yeast
23. 23.🧺 Do we need coins for the paper bridge? (a) needed (b) not needed
24. 24.True or false: yeast is not needed for the paper bridge. (a) True (b) False
25. 25.🛟 How should the two books be placed for the paper bridge? (a) on a stool edge (b) high and wobbly (c) on top of a pet (d) low and steady
26. 26.True or false: a round pillar gets its strength from a tube shape. (a) False (b) True
27. 27.🧺 Which of these is needed for the paper bridge? (a) yeast (b) a mirror (c) a magnet (d) sheets of paper
28. 28.True or false: a torn flat sheet makes a weak bridge. (a) False (b) True
29. 29.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is kept the same. (a) False (b) True
30. 30.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it sags and falls (b) it gets stronger (c) it turns to card (d) it floats up
31. 31.🏗️ Which of these gets its strength from arches or domes? (a) an old stone bridge (b) a round pillar (c) a hollow bird bone (d) a bridge truss
32. 32.🧺 Do we need a ruler for the paper bridge? (a) needed (b) not needed
33. 33.🧺 Do we need a balloon for the paper bridge? (a) needed (b) not needed
34. 34.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) two books (c) coins (d) a magnet
35. 35.⚖️ Fair test — which paper shape holds the most coins? True or false: where coins are placed is kept the same. (a) True (b) False
36. 36.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) where coins are placed (b) the kind of coins (c) the shape of the paper (d) coins it holds
37. 37.True or false: a temple dome gets its strength from arches or domes. (a) False (b) True
38. 38.True or false: a ruler is needed for the paper bridge. (a) True (b) False
39. 39.True or false: a wet flat sheet makes a strong bridge. (a) True (b) False
40. 40.🌉 Does a flat tissue make a strong or a weak bridge? (a) weak bridge (b) strong bridge

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