Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 889 · 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: a hollow bird bone gets its strength from a tube shape. (a) False (b) True
2. 2.🥚 Why is an egg hard to crush when you press on its two ends? (a) it is magnetic (b) it is made of steel (c) its curved arch shape (d) it is very hot
3. 3.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) two books (c) coins (d) turmeric powder
4. 4.True or false: a bridge truss gets its strength from a tube shape. (a) True (b) False
5. 5.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) coins (c) a ruler (d) a balloon
6. 6.🏗️ Where does an old stone bridge get its strength from? (a) tubes (b) triangles (c) arches and domes
7. 7.🧺 Do we need a mirror for the paper bridge? (a) not needed (b) needed
8. 8.True or false: a torn flat sheet makes a strong bridge. (a) False (b) True
9. 9.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) two books (c) sheets of paper (d) a battery cell
10. 10.🧺 Which of these is needed for the paper bridge? (a) a mirror (b) a magnet (c) a balloon (d) sheets of paper
11. 11.True or false: a temple dome gets its strength from arches or domes. (a) True (b) False
12. 12.🌉 Which of these makes a weak bridge? (a) a U-shaped channel (b) rolled paper tubes (c) paper with folded edges (d) a torn 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) the shape of the paper (c) the kind of coins
14. 14.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is what we measure. (a) False (b) True
15. 15.🧺 Do we need yeast for the paper bridge? (a) not needed (b) needed
16. 16.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) not at all (b) less (c) more (d) upward
17. 17.⚖️ Fair test — which paper shape holds the most coins? True or false: where coins are placed is the one thing we change. (a) False (b) True
18. 18.⚖️ 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
19. 19.🔍 Which is the odd one out? (a) a wet flat sheet (b) one flat sheet (c) a torn flat sheet (d) a zigzag-folded sheet
20. 20.True or false: two books is not needed for the paper bridge. (a) False (b) True
21. 21.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of coins”? (a) we keep it the same (b) we measure it (c) we change it
22. 22.True or false: an old stone bridge gets its strength from arches or domes. (a) True (b) False
23. 23.🌉 Which of these makes a strong bridge? (a) a flat tissue (b) one flat sheet (c) a wet flat sheet (d) rolled paper tubes
24. 24.🛟 How should the two books be placed for the paper bridge? (a) high and wobbly (b) low and steady (c) on a stool edge (d) on top of a pet
25. 25.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) the gap between books (b) where coins are placed (c) the shape of the paper (d) the kind of paper
26. 26.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) skip washing (b) lick your fingers (c) rub your eyes (d) wash your hands
27. 27.⚖️ 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
28. 28.True or false: a wet flat sheet makes a strong bridge. (a) False (b) True
29. 29.🌉 Which of these makes a weak bridge? (a) rolled paper tubes (b) a wet flat sheet (c) a zigzag-folded sheet (d) paper with folded edges
30. 30.🌉 Which of these makes a weak bridge? (a) rolled paper tubes (b) paper with folded edges (c) a zigzag-folded sheet (d) one flat sheet
31. 31.🏗️ Which of these gets its strength from triangles? (a) an old stone bridge (b) a hollow bird bone (c) a bridge truss (d) an eggshell
32. 32.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) two books (c) yeast (d) a ruler
33. 33.True or false: paper with folded edges makes a strong bridge. (a) False (b) True
34. 34.🌉 Which of these makes a strong bridge? (a) a wet flat sheet (b) one flat sheet (c) a flat tissue (d) paper with folded edges
35. 35.🏗️ Where does a bamboo pole get its strength from? (a) tubes (b) arches and domes (c) triangles
36. 36.🧺 Do we need coins for the paper bridge? (a) needed (b) not needed
37. 37.🏗️ Which of these gets its strength from triangles? (a) a hollow bird bone (b) an eggshell (c) a roof frame (d) a temple dome
38. 38.🏗️ Which of these gets its strength from a tube shape? (a) a bamboo pole (b) an eggshell (c) a roof frame (d) a bridge truss
39. 39.🏗️ Which of these gets its strength from a tube shape? (a) a round pillar (b) a roof frame (c) a bridge truss (d) an eggshell
40. 40.🏗️ Where does a hollow bird bone get its strength from? (a) triangles (b) arches and domes (c) tubes

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