Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 963 · 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: two books is not needed for the paper bridge. (a) False (b) True
2. 2.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) upward (b) less (c) more (d) not at all
3. 3.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the gap between books”? (a) we change it (b) we keep it the same (c) we measure it
4. 4.🧺 Which of these is needed for the paper bridge? (a) yeast (b) a magnet (c) coins (d) a mirror
5. 5.🛟 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
6. 6.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) two books (c) coins (d) turmeric powder
7. 7.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) more coins (b) the same coins (c) fewer coins (d) only water
8. 8.True or false: sheets of paper is not needed for the paper bridge. (a) True (b) False
9. 9.🧺 Which of these is not needed for the paper bridge? (a) coins (b) a ruler (c) a mirror (d) sheets of paper
10. 10.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) the same number of (b) more (c) zero (d) fewer
11. 11.True or false: a balloon is not needed for the paper bridge. (a) True (b) False
12. 12.🌉 Which of these makes a strong bridge? (a) a wet flat sheet (b) a torn flat sheet (c) rolled paper tubes (d) one flat sheet
13. 13.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) coins it holds (b) where coins are placed (c) the shape of the paper
14. 14.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) yeast (b) coins (c) two books (d) a ruler
15. 15.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) the shape of the paper (b) coins it holds (c) the kind of coins
16. 16.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) the kind of paper (b) the shape of the paper (c) coins it holds
17. 17.🧺 Do we need coins for the paper bridge? (a) needed (b) not needed
18. 18.🏗️ Where does an electric tower get its strength from? (a) arches and domes (b) tubes (c) triangles
19. 19.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is what we measure. (a) True (b) False
20. 20.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is kept the same. (a) True (b) False
21. 21.🏗️ Where does a roof frame get its strength from? (a) tubes (b) triangles (c) arches and domes
22. 22.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the shape of the paper”? (a) we keep it the same (b) we measure it (c) we change it
23. 23.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of coins is kept the same. (a) False (b) True
24. 24.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) sheets of paper (c) a magnet (d) a ruler
25. 25.🧺 Do we need a mirror for the paper bridge? (a) needed (b) not needed
26. 26.True or false: a bridge truss gets its strength from arches or domes. (a) True (b) False
27. 27.🏗️ Where does a temple dome get its strength from? (a) tubes (b) arches and domes (c) triangles
28. 28.True or false: a torn flat sheet makes a strong bridge. (a) True (b) False
29. 29.🥚 Why is an egg hard to crush when you press on its two ends? (a) it is made of steel (b) it is magnetic (c) its curved arch shape (d) it is very hot
30. 30.🔍 Which is the odd one out? (a) a U-shaped channel (b) one flat sheet (c) paper with folded edges (d) rolled paper tubes
31. 31.True or false: a bamboo pole gets its strength from triangles. (a) True (b) False
32. 32.True or false: coins is not needed for the paper bridge. (a) True (b) False
33. 33.🏗️ Where does an eggshell get its strength from? (a) tubes (b) arches and domes (c) triangles
34. 34.True or false: a bamboo pole gets its strength from a tube shape. (a) False (b) True
35. 35.🌉 Which of these makes a weak bridge? (a) paper with folded edges (b) a zigzag-folded sheet (c) a U-shaped channel (d) a flat tissue
36. 36.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is what we measure. (a) True (b) False
37. 37.🧺 Which of these is not needed for the paper bridge? (a) two books (b) sheets of paper (c) coins (d) yeast
38. 38.🌉 Which of these makes a weak bridge? (a) a zigzag-folded sheet (b) rolled paper tubes (c) one flat sheet (d) paper with folded edges
39. 39.True or false: two books is needed for the paper bridge. (a) True (b) False
40. 40.🌉 Does a torn flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge

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