Paper Bridge STEM Challenge Worksheet

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

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