Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 449 · 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 roof frame (b) a round pillar (c) an old stone bridge (d) a temple dome
2. 2.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is what we measure. (a) True (b) False
3. 3.🌉 Does a flat tissue make a strong or a weak bridge? (a) weak bridge (b) strong bridge
4. 4.🔍 Which is the odd one out? (a) one flat sheet (b) a torn flat sheet (c) a flat tissue (d) a U-shaped channel
5. 5.🏗️ Which of these gets its strength from triangles? (a) a temple dome (b) an old stone bridge (c) a bridge truss (d) a hollow bird bone
6. 6.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) more (b) not at all (c) less (d) upward
7. 7.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) the kind of coins (b) the kind of paper (c) the gap between books (d) coins it holds
8. 8.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) lick your fingers (b) wash your hands (c) rub your eyes (d) skip washing
9. 9.🧺 Which of these is needed for the paper bridge? (a) a battery cell (b) yeast (c) a balloon (d) sheets of paper
10. 10.True or false: a bridge truss gets its strength from triangles. (a) True (b) False
11. 11.True or false: a flat tissue makes a weak bridge. (a) True (b) False
12. 12.True or false: two books is not needed for the paper bridge. (a) False (b) True
13. 13.🧺 Do we need coins for the paper bridge? (a) needed (b) not needed
14. 14.⚖️ Fair test — which paper shape holds the most coins? What do we do with “where coins are placed”? (a) we keep it the same (b) we measure it (c) we change it
15. 15.True or false: an eggshell gets its strength from arches or domes. (a) False (b) True
16. 16.True or false: coins is not needed for the paper bridge. (a) True (b) False
17. 17.🏗️ Where does a temple dome get its strength from? (a) arches and domes (b) tubes (c) triangles
18. 18.🔍 Which is the odd one out? (a) a zigzag-folded sheet (b) rolled paper tubes (c) a U-shaped channel (d) a wet flat sheet
19. 19.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is kept the same. (a) False (b) True
20. 20.🌉 Which of these makes a strong bridge? (a) a wet flat sheet (b) a torn flat sheet (c) one flat sheet (d) a U-shaped channel
21. 21.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the shape of the paper”? (a) we change it (b) we measure it (c) we keep it the same
22. 22.True or false: a round pillar gets its strength from a tube shape. (a) False (b) True
23. 23.True or false: a wet flat sheet makes a strong bridge. (a) True (b) False
24. 24.⚖️ 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
25. 25.🛟 How should the two books be placed for the paper bridge? (a) on top of a pet (b) high and wobbly (c) on a stool edge (d) low and steady
26. 26.⚖️ 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
27. 27.🧺 Which of these is not needed for the paper bridge? (a) coins (b) a mirror (c) a ruler (d) sheets of paper
28. 28.True or false: paper with folded edges makes a strong bridge. (a) True (b) False
29. 29.True or false: a temple dome gets its strength from arches or domes. (a) True (b) False
30. 30.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of coins is kept the same. (a) True (b) False
31. 31.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) strong bridge (b) weak bridge
32. 32.🌉 Does paper with folded edges make a strong or a weak bridge? (a) weak bridge (b) strong bridge
33. 33.⚖️ 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 kind of coins (d) the shape of the paper
34. 34.🥚 Why is an egg hard to crush when you press on its two ends? (a) its curved arch shape (b) it is very hot (c) it is magnetic (d) it is made of steel
35. 35.⚖️ 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 change it (c) we measure it
36. 36.True or false: coins is needed for the paper bridge. (a) True (b) False
37. 37.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) coins (c) sheets of paper (d) a magnet
38. 38.🧺 Do we need a battery cell for the paper bridge? (a) needed (b) not needed
39. 39.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) zero (b) fewer (c) the same number of (d) more
40. 40.🏗️ Which of these gets its strength from arches or domes? (a) an old stone bridge (b) a bridge truss (c) a round pillar (d) a hollow bird bone

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