Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 604 · 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.⚖️ 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 change it (c) we measure it
2. 2.🏗️ Where does a round pillar get its strength from? (a) arches and domes (b) tubes (c) triangles
3. 3.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a battery cell (b) a ruler (c) sheets of paper (d) two books
4. 4.🧺 Which of these is not needed for the paper bridge? (a) yeast (b) sheets of paper (c) two books (d) a ruler
5. 5.🔍 Which is the odd one out? (a) a flat tissue (b) one flat sheet (c) a wet flat sheet (d) paper with folded edges
6. 6.🧺 Do we need turmeric powder for the paper bridge? (a) not needed (b) needed
7. 7.🛟 How should the two books be placed for the paper bridge? (a) low and steady (b) high and wobbly (c) on a stool edge (d) on top of a pet
8. 8.🥚 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 very hot (d) it is made of steel
9. 9.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of coins is the one thing we change. (a) True (b) False
10. 10.🧺 Which of these is not needed for the paper bridge? (a) a mirror (b) a ruler (c) coins (d) two books
11. 11.🏗️ Where does a roof frame get its strength from? (a) tubes (b) arches and domes (c) triangles
12. 12.🧺 Do we need a balloon for the paper bridge? (a) not needed (b) needed
13. 13.⚖️ Fair test — which paper shape holds the most coins? What do we do with “coins it holds”? (a) we change it (b) we keep it the same (c) we measure it
14. 14.🧺 Do we need a magnet for the paper bridge? (a) not needed (b) needed
15. 15.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) the kind of coins (b) where coins are placed (c) the shape of the paper (d) coins it holds
16. 16.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the heart shape (b) the square (c) the star (d) the triangle
17. 17.True or false: paper with folded edges makes a strong bridge. (a) False (b) True
18. 18.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) two books (c) a ruler (d) yeast
19. 19.True or false: a hollow bird bone gets its strength from a tube shape. (a) True (b) False
20. 20.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is kept the same. (a) False (b) True
21. 21.🌉 Does a flat tissue make a strong or a weak bridge? (a) strong bridge (b) weak bridge
22. 22.🔍 Which is the odd one out? (a) rolled paper tubes (b) paper with folded edges (c) a U-shaped channel (d) a wet flat sheet
23. 23.True or false: a battery cell is needed for the paper bridge. (a) True (b) False
24. 24.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) only water (b) the same coins (c) fewer coins (d) more coins
25. 25.🏗️ Where does an eggshell get its strength from? (a) triangles (b) tubes (c) arches and domes
26. 26.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of coins”? (a) we change it (b) we measure it (c) we keep it the same
27. 27.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) more (b) upward (c) not at all (d) less
28. 28.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) zero (b) the same number of (c) fewer (d) more
29. 29.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) skip washing (b) wash your hands (c) lick your fingers (d) rub your eyes
30. 30.🏗️ Which of these gets its strength from a tube shape? (a) a temple dome (b) a bamboo pole (c) a bridge truss (d) a roof frame
31. 31.True or false: a U-shaped channel makes a strong bridge. (a) True (b) False
32. 32.True or false: a roof frame gets its strength from a tube shape. (a) True (b) False
33. 33.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) two books (c) sheets of paper (d) a balloon
34. 34.🧺 Do we need a mirror for the paper bridge? (a) not needed (b) needed
35. 35.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) two books (c) a ruler (d) turmeric powder
36. 36.True or false: a temple dome gets its strength from arches or domes. (a) False (b) True
37. 37.🌉 Which of these makes a weak bridge? (a) paper with folded edges (b) a flat tissue (c) rolled paper tubes (d) a U-shaped channel
38. 38.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) the gap between books (b) where coins are placed (c) the shape of the paper (d) coins it holds
39. 39.⚖️ Fair test — which paper shape holds the most coins? True or false: where coins are placed is what we measure. (a) False (b) True
40. 40.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is kept the same. (a) False (b) True

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