Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 218 · 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.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) coins it holds (b) the kind of paper (c) where coins are placed (d) the gap between books
2. 2.🧺 Which of these is not needed for the paper bridge? (a) a magnet (b) a ruler (c) two books (d) sheets of paper
3. 3.🛟 How should the two books be placed for the paper bridge? (a) low and steady (b) on a stool edge (c) high and wobbly (d) on top of a pet
4. 4.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the triangle (b) the square (c) the heart shape (d) the star
5. 5.True or false: yeast is not needed for the paper bridge. (a) False (b) True
6. 6.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of coins is kept the same. (a) True (b) False
7. 7.⚖️ 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 change it (c) we measure it
8. 8.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) a ruler (c) sheets of paper (d) a magnet
9. 9.🏗️ Which of these gets its strength from arches or domes? (a) a bridge truss (b) a bamboo pole (c) a hollow bird bone (d) an eggshell
10. 10.True or false: a magnet is needed for the paper bridge. (a) False (b) True
11. 11.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is what we measure. (a) False (b) True
12. 12.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of coins”? (a) we measure it (b) we keep it the same (c) we change it
13. 13.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) the gap between books (b) the shape of the paper (c) coins it holds
14. 14.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) the same coins (b) fewer coins (c) only water (d) more coins
15. 15.🏗️ Where does a hollow bird bone get its strength from? (a) triangles (b) arches and domes (c) tubes
16. 16.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) lick your fingers (b) wash your hands (c) skip washing (d) rub your eyes
17. 17.🧺 Do we need coins for the paper bridge? (a) not needed (b) needed
18. 18.🥚 Why is an egg hard to crush when you press on its two ends? (a) it is very hot (b) it is magnetic (c) it is made of steel (d) its curved arch shape
19. 19.🏗️ Which of these gets its strength from arches or domes? (a) a roof frame (b) an old stone bridge (c) a bridge truss (d) a bamboo pole
20. 20.True or false: an electric tower gets its strength from a tube shape. (a) False (b) True
21. 21.🧺 Which of these is needed for the paper bridge? (a) turmeric powder (b) a mirror (c) yeast (d) two books
22. 22.⚖️ Fair test — which paper shape holds the most coins? What do we do with “coins it holds”? (a) we measure it (b) we change it (c) we keep it the same
23. 23.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) turmeric powder (c) coins (d) two books
24. 24.⚖️ 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) where coins are placed
25. 25.🏗️ Which of these gets its strength from triangles? (a) a temple dome (b) a bamboo pole (c) an electric tower (d) an eggshell
26. 26.⚖️ Fair test — which paper shape holds the most coins? What do we do with “where coins are placed”? (a) we change it (b) we keep it the same (c) we measure it
27. 27.🌉 Does paper with folded edges make a strong or a weak bridge? (a) strong bridge (b) weak bridge
28. 28.🔍 Which is the odd one out? (a) rolled paper tubes (b) a U-shaped channel (c) paper with folded edges (d) a wet flat sheet
29. 29.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) the gap between books (b) the shape of the paper (c) the kind of coins (d) the kind of paper
30. 30.⚖️ Fair test — which paper shape holds the most coins? True or false: where coins are placed is kept the same. (a) True (b) False
31. 31.🧺 Which of these is not needed for the paper bridge? (a) sheets of paper (b) two books (c) a mirror (d) a ruler
32. 32.🌉 Which of these makes a strong bridge? (a) one flat sheet (b) rolled paper tubes (c) a wet flat sheet (d) a torn flat sheet
33. 33.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is the one thing we change. (a) True (b) False
34. 34.🌉 Which of these makes a strong bridge? (a) a wet flat sheet (b) a torn flat sheet (c) one flat sheet (d) paper with folded edges
35. 35.🧺 Do we need yeast for the paper bridge? (a) not needed (b) needed
36. 36.🧺 Which of these is needed for the paper bridge? (a) a magnet (b) yeast (c) turmeric powder (d) coins
37. 37.🏗️ Which of these gets its strength from triangles? (a) an old stone bridge (b) a bamboo pole (c) a roof frame (d) an eggshell
38. 38.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is kept the same. (a) False (b) True
39. 39.🌉 Which of these makes a strong bridge? (a) a flat tissue (b) one flat sheet (c) a wet flat sheet (d) a zigzag-folded sheet
40. 40.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge

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