Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 582 · 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: paper with folded edges makes a strong bridge. (a) False (b) True
2. 2.🌉 Does paper with folded edges make a strong or a weak bridge? (a) weak bridge (b) strong bridge
3. 3.🌉 Which of these makes a weak bridge? (a) a zigzag-folded sheet (b) rolled paper tubes (c) a flat tissue (d) paper with folded edges
4. 4.🏗️ Where does an old stone bridge get its strength from? (a) tubes (b) triangles (c) arches and domes
5. 5.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) rub your eyes (b) skip washing (c) wash your hands (d) lick your fingers
6. 6.🌉 Does one flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
7. 7.🏗️ Where does a temple dome get its strength from? (a) tubes (b) triangles (c) arches and domes
8. 8.True or false: a roof frame gets its strength from triangles. (a) True (b) False
9. 9.⚖️ Fair test — which paper shape holds the most coins? What do we do with “where coins are placed”? (a) we measure it (b) we change it (c) we keep it the same
10. 10.🔍 Which is the odd one out? (a) paper with folded edges (b) rolled paper tubes (c) a U-shaped channel (d) one flat sheet
11. 11.🧺 Which of these is needed for the paper bridge? (a) turmeric powder (b) sheets of paper (c) a magnet (d) a battery cell
12. 12.True or false: a torn flat sheet makes a strong bridge. (a) False (b) True
13. 13.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) upward (b) more (c) not at all (d) less
14. 14.True or false: an old stone bridge gets its strength from a tube shape. (a) True (b) False
15. 15.🧺 Do we need a mirror for the paper bridge? (a) needed (b) not needed
16. 16.⚖️ 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
17. 17.🥚 Why is an egg hard to crush when you press on its two ends? (a) it is very hot (b) it is magnetic (c) its curved arch shape (d) it is made of steel
18. 18.🌉 Which of these makes a strong bridge? (a) a U-shaped channel (b) a torn flat sheet (c) one flat sheet (d) a wet flat sheet
19. 19.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) where coins are placed (b) the shape of the paper (c) the kind of paper (d) the gap between books
20. 20.🌉 Which of these makes a weak bridge? (a) paper with folded edges (b) a zigzag-folded sheet (c) a U-shaped channel (d) a torn flat sheet
21. 21.🌉 Which of these makes a strong bridge? (a) paper with folded edges (b) a wet flat sheet (c) a torn flat sheet (d) one flat sheet
22. 22.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is the one thing we change. (a) False (b) True
23. 23.🔍 Which is the odd one out? (a) rolled paper tubes (b) paper with folded edges (c) a zigzag-folded sheet (d) a torn flat sheet
24. 24.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a battery cell (b) sheets of paper (c) coins (d) a ruler
25. 25.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) the kind of paper (b) the shape of the paper (c) the gap between books (d) coins it holds
26. 26.🔍 Which is the odd one out? (a) a U-shaped channel (b) a wet flat sheet (c) a zigzag-folded sheet (d) paper with folded edges
27. 27.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is the one thing we change. (a) True (b) False
28. 28.🌉 Does a wet flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
29. 29.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) two books (c) yeast (d) a ruler
30. 30.🏗️ Which of these gets its strength from arches or domes? (a) an eggshell (b) an electric tower (c) a roof frame (d) a bamboo pole
31. 31.⚖️ 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
32. 32.True or false: a hollow bird bone gets its strength from a tube shape. (a) False (b) True
33. 33.🏗️ Where does a hollow bird bone get its strength from? (a) arches and domes (b) tubes (c) triangles
34. 34.🧺 Which of these is needed for the paper bridge? (a) a mirror (b) a magnet (c) a battery cell (d) coins
35. 35.🧺 Which of these is not needed for the paper bridge? (a) coins (b) two books (c) a magnet (d) a ruler
36. 36.🏗️ Which of these gets its strength from a tube shape? (a) a bridge truss (b) a roof frame (c) an eggshell (d) a hollow bird bone
37. 37.🧺 Which of these is not needed for the paper bridge? (a) turmeric powder (b) two books (c) a ruler (d) coins
38. 38.True or false: rolled paper tubes makes a strong bridge. (a) True (b) False
39. 39.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) weak bridge (b) strong bridge
40. 40.🛟 How should the two books be placed for the paper bridge? (a) on top of a pet (b) low and steady (c) on a stool edge (d) high and wobbly

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