Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 182 · 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.🏗️ Which of these gets its strength from triangles? (a) a temple dome (b) an electric tower (c) an eggshell (d) a hollow bird bone
2. 2.True or false: coins is not needed for the paper bridge. (a) True (b) False
3. 3.⚖️ Fair test — which paper shape holds the most coins? What do we do with “coins it holds”? (a) we keep it the same (b) we change it (c) we measure it
4. 4.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) less (b) not at all (c) more (d) upward
5. 5.🏗️ Which of these gets its strength from a tube shape? (a) an eggshell (b) a bridge truss (c) a bamboo pole (d) a temple dome
6. 6.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) the shape of the paper (b) the kind of coins (c) where coins are placed (d) the gap between books
7. 7.🛟 How should the two books be placed for the paper bridge? (a) on a stool edge (b) high and wobbly (c) on top of a pet (d) low and steady
8. 8.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) a mirror (c) two books (d) sheets of paper
9. 9.🌉 Does a U-shaped channel make a strong or a weak bridge? (a) strong bridge (b) weak bridge
10. 10.🔍 Which is the odd one out? (a) a wet flat sheet (b) a flat tissue (c) rolled paper tubes (d) a torn flat sheet
11. 11.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) rub your eyes (b) wash your hands (c) skip washing (d) lick your fingers
12. 12.🧺 Do we need a magnet for the paper bridge? (a) needed (b) not needed
13. 13.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) only water (b) the same coins (c) fewer coins (d) more coins
14. 14.⚖️ Fair test — which paper shape holds the most coins? True or false: where coins are placed is kept the same. (a) False (b) True
15. 15.🧺 Do we need two books for the paper bridge? (a) not needed (b) needed
16. 16.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of paper”? (a) we measure it (b) we change it (c) we keep it the same
17. 17.🧺 Do we need coins for the paper bridge? (a) not needed (b) needed
18. 18.⚖️ Fair test — which paper shape holds the most coins? True or false: where coins are placed is what we measure. (a) True (b) False
19. 19.🥚 Why is an egg hard to crush when you press on its two ends? (a) it is made of steel (b) it is magnetic (c) its curved arch shape (d) it is very hot
20. 20.True or false: a magnet is not needed for the paper bridge. (a) True (b) False
21. 21.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the gap between books”? (a) we keep it the same (b) we change it (c) we measure it
22. 22.🧺 Which of these is not needed for the paper bridge? (a) coins (b) two books (c) a ruler (d) a magnet
23. 23.True or false: rolled paper tubes makes a strong bridge. (a) False (b) True
24. 24.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) where coins are placed (b) the gap between books (c) the kind of coins (d) coins it holds
25. 25.🔍 Which is the odd one out? (a) paper with folded edges (b) rolled paper tubes (c) a U-shaped channel (d) a flat tissue
26. 26.🔍 Which is the odd one out? (a) paper with folded edges (b) one flat sheet (c) a U-shaped channel (d) a zigzag-folded sheet
27. 27.🌉 Does paper with folded edges make a strong or a weak bridge? (a) weak bridge (b) strong bridge
28. 28.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds add glue (b) folds are magnetic (c) folds make it stiffer (d) folds make it wet
29. 29.True or false: a bamboo pole gets its strength from arches or domes. (a) True (b) False
30. 30.🌉 Which of these makes a weak bridge? (a) rolled paper tubes (b) paper with folded edges (c) a wet flat sheet (d) a zigzag-folded sheet
31. 31.🧺 Do we need a mirror for the paper bridge? (a) needed (b) not needed
32. 32.🧺 Do we need a balloon for the paper bridge? (a) not needed (b) needed
33. 33.🌉 Which of these makes a weak bridge? (a) one flat sheet (b) a U-shaped channel (c) rolled paper tubes (d) a zigzag-folded sheet
34. 34.🔍 Which is the odd one out? (a) one flat sheet (b) a flat tissue (c) a wet flat sheet (d) a zigzag-folded sheet
35. 35.True or false: a bamboo pole gets its strength from triangles. (a) False (b) True
36. 36.🏗️ Where does a roof frame get its strength from? (a) arches and domes (b) tubes (c) triangles
37. 37.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of coins”? (a) we change it (b) we keep it the same (c) we measure it
38. 38.🧺 Which of these is needed for the paper bridge? (a) yeast (b) coins (c) turmeric powder (d) a balloon
39. 39.🧺 Which of these is not needed for the paper bridge? (a) a ruler (b) sheets of paper (c) two books (d) a battery cell
40. 40.🌉 Does a wet flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge

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