Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 326 · 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: sheets of paper is needed for the paper bridge. (a) False (b) True
2. 2.⚖️ 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 gap between books (c) coins it holds (d) the shape of the paper
3. 3.🌉 Does one flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
4. 4.🧺 Do we need yeast for the paper bridge? (a) not needed (b) needed
5. 5.🥚 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) it is very hot (d) its curved arch shape
6. 6.🧺 Do we need sheets of paper for the paper bridge? (a) needed (b) not needed
7. 7.🌉 Does a flat tissue make a strong or a weak bridge? (a) strong bridge (b) weak bridge
8. 8.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of paper”? (a) we measure it (b) we keep it the same (c) we change it
9. 9.🧺 Which of these is not needed for the paper bridge? (a) a ruler (b) sheets of paper (c) turmeric powder (d) coins
10. 10.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) wash your hands (b) skip washing (c) rub your eyes (d) lick your fingers
11. 11.🌉 Does a torn flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
12. 12.🧺 Which of these is needed for the paper bridge? (a) a battery cell (b) coins (c) yeast (d) turmeric powder
13. 13.True or false: a ruler is needed for the paper bridge. (a) True (b) False
14. 14.🧺 Do we need a ruler for the paper bridge? (a) not needed (b) needed
15. 15.🏗️ Where does a roof frame get its strength from? (a) arches and domes (b) tubes (c) triangles
16. 16.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the star (b) the triangle (c) the heart shape (d) the square
17. 17.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the shape of the paper”? (a) we measure it (b) we change it (c) we keep it the same
18. 18.🛟 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
19. 19.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) the shape of the paper (b) coins it holds (c) the kind of coins (d) the kind of paper
20. 20.🌉 Which of these makes a weak bridge? (a) rolled paper tubes (b) one flat sheet (c) a zigzag-folded sheet (d) a U-shaped channel
21. 21.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
22. 22.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is the one thing we change. (a) False (b) True
23. 23.🔍 Which is the odd one out? (a) one flat sheet (b) a zigzag-folded sheet (c) a U-shaped channel (d) paper with folded edges
24. 24.🧺 Do we need a mirror for the paper bridge? (a) not needed (b) needed
25. 25.🏗️ Which of these gets its strength from arches or domes? (a) an eggshell (b) a hollow bird bone (c) a roof frame (d) a bridge truss
26. 26.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a battery cell (b) coins (c) sheets of paper (d) two books
27. 27.⚖️ Fair test — which paper shape holds the most coins? What do we do with “where coins are placed”? (a) we keep it the same (b) we measure it (c) we change it
28. 28.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) the shape of the paper (b) where coins are placed (c) coins it holds
29. 29.True or false: an electric tower gets its strength from triangles. (a) True (b) False
30. 30.True or false: a ruler is not needed for the paper bridge. (a) False (b) True
31. 31.🌉 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
32. 32.True or false: a hollow bird bone gets its strength from a tube shape. (a) False (b) True
33. 33.🧺 Which of these is not needed for the paper bridge? (a) two books (b) a ruler (c) sheets of paper (d) a mirror
34. 34.🧺 Which of these is not needed for the paper bridge? (a) coins (b) a ruler (c) two books (d) a balloon
35. 35.🏗️ Which of these gets its strength from arches or domes? (a) a bridge truss (b) a roof frame (c) an electric tower (d) an old stone bridge
36. 36.🏗️ Where does a bamboo pole get its strength from? (a) triangles (b) tubes (c) arches and domes
37. 37.🧺 Which of these is needed for the paper bridge? (a) a magnet (b) a battery cell (c) sheets of paper (d) yeast
38. 38.🏗️ Where does a bridge truss get its strength from? (a) triangles (b) tubes (c) arches and domes
39. 39.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is what we measure. (a) False (b) True
40. 40.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) yeast (c) a ruler (d) two books

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