Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 337 · 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.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) zero (b) more (c) fewer (d) the same number of
2. 2.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) rub your eyes (b) lick your fingers (c) wash your hands (d) skip washing
3. 3.True or false: a flat tissue makes a weak bridge. (a) True (b) False
4. 4.🔍 Which is the odd one out? (a) a wet flat sheet (b) a flat tissue (c) one flat sheet (d) a zigzag-folded sheet
5. 5.🧺 Do we need a magnet for the paper bridge? (a) needed (b) not needed
6. 6.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is kept the same. (a) True (b) False
7. 7.🔍 Which is the odd one out? (a) rolled paper tubes (b) a flat tissue (c) a zigzag-folded sheet (d) paper with folded edges
8. 8.True or false: sheets of paper is needed for the paper bridge. (a) True (b) False
9. 9.🌉 Which of these makes a weak bridge? (a) a U-shaped channel (b) a zigzag-folded sheet (c) rolled paper tubes (d) a torn flat sheet
10. 10.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) the same coins (b) only water (c) fewer coins (d) more coins
11. 11.True or false: an old stone bridge gets its strength from triangles. (a) True (b) False
12. 12.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) coins it holds (b) where coins are placed (c) the shape of the paper
13. 13.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) coins (c) turmeric powder (d) two books
14. 14.🏗️ Where does a hollow bird bone get its strength from? (a) triangles (b) arches and domes (c) tubes
15. 15.True or false: turmeric powder is not needed for the paper bridge. (a) False (b) True
16. 16.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
17. 17.🧺 Do we need a balloon for the paper bridge? (a) needed (b) not needed
18. 18.🌉 Which of these makes a weak bridge? (a) a zigzag-folded sheet (b) paper with folded edges (c) a wet flat sheet (d) rolled paper tubes
19. 19.⚖️ 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
20. 20.⚖️ 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 kind of paper (c) the shape of the paper (d) coins it holds
21. 21.True or false: a ruler is not needed for the paper bridge. (a) False (b) True
22. 22.True or false: a roof frame gets its strength from triangles. (a) True (b) False
23. 23.🥚 Why is an egg hard to crush when you press on its two ends? (a) it is made of steel (b) its curved arch shape (c) it is magnetic (d) it is very hot
24. 24.True or false: an electric tower gets its strength from arches or domes. (a) True (b) False
25. 25.🌉 Which of these makes a strong bridge? (a) a flat tissue (b) a wet flat sheet (c) paper with folded edges (d) one flat sheet
26. 26.🌉 Which of these makes a strong bridge? (a) one flat sheet (b) a wet flat sheet (c) a U-shaped channel (d) a torn flat sheet
27. 27.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) a balloon (c) coins (d) sheets of paper
28. 28.🏗️ Where does an electric tower get its strength from? (a) arches and domes (b) triangles (c) tubes
29. 29.⚖️ 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
30. 30.⚖️ Fair test — which paper shape holds the most coins? What do we do with “coins it holds”? (a) we measure it (b) we keep it the same (c) we change it
31. 31.True or false: a hollow bird bone gets its strength from arches or domes. (a) True (b) False
32. 32.🏗️ Which of these gets its strength from triangles? (a) a bamboo pole (b) a roof frame (c) a temple dome (d) a round pillar
33. 33.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) weak bridge (b) strong bridge
34. 34.🧺 Do we need turmeric powder for the paper bridge? (a) not needed (b) needed
35. 35.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it floats up (b) it gets stronger (c) it sags and falls (d) it turns to card
36. 36.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) sheets of paper (c) coins (d) yeast
37. 37.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) a ruler (c) sheets of paper (d) a mirror
38. 38.True or false: two books is needed for the paper bridge. (a) True (b) False
39. 39.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) the shape of the paper (b) the kind of coins (c) coins it holds
40. 40.🏗️ Which of these gets its strength from triangles? (a) a round pillar (b) an old stone bridge (c) an electric tower (d) a temple dome

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