Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 301 · 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 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
2. 2.🧺 Do we need a magnet for the paper bridge? (a) not needed (b) needed
3. 3.True or false: a balloon is not needed for the paper bridge. (a) True (b) False
4. 4.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) lick your fingers (b) rub your eyes (c) wash your hands (d) skip washing
5. 5.True or false: a hollow bird bone gets its strength from triangles. (a) True (b) False
6. 6.True or false: a temple dome gets its strength from a tube shape. (a) True (b) False
7. 7.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it sags and falls (b) it gets stronger (c) it turns to card (d) it floats up
8. 8.🧺 Which of these is not needed for the paper bridge? (a) sheets of paper (b) a balloon (c) a ruler (d) two books
9. 9.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) the kind of paper (b) the shape of the paper (c) the gap between books (d) coins it holds
10. 10.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) sheets of paper (c) two books (d) turmeric powder
11. 11.True or false: sheets of paper is not needed for the paper bridge. (a) False (b) True
12. 12.🌉 Does paper with folded edges make a strong or a weak bridge? (a) weak bridge (b) strong bridge
13. 13.🔍 Which is the odd one out? (a) a wet flat sheet (b) one flat sheet (c) a U-shaped channel (d) a flat tissue
14. 14.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) a balloon (c) two books (d) sheets of paper
15. 15.🥚 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 made of steel (d) it is magnetic
16. 16.True or false: a U-shaped channel makes a strong bridge. (a) False (b) True
17. 17.⚖️ Fair test — which paper shape holds the most coins? What do we do with “where coins are placed”? (a) we measure it (b) we keep it the same (c) we change it
18. 18.🧺 Do we need two books for the paper bridge? (a) needed (b) not needed
19. 19.🧺 Which of these is not needed for the paper bridge? (a) yeast (b) sheets of paper (c) a ruler (d) two books
20. 20.True or false: turmeric powder is needed for the paper bridge. (a) True (b) False
21. 21.🧺 Which of these is not needed for the paper bridge? (a) sheets of paper (b) coins (c) two books (d) a battery cell
22. 22.⚖️ 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
23. 23.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) where coins are placed (b) the shape of the paper (c) coins it holds
24. 24.🏗️ Which of these gets its strength from arches or domes? (a) a hollow bird bone (b) a temple dome (c) a bridge truss (d) a roof frame
25. 25.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) a ruler (c) sheets of paper (d) yeast
26. 26.🏗️ Which of these gets its strength from arches or domes? (a) a roof frame (b) an old stone bridge (c) a bridge truss (d) an electric tower
27. 27.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) more coins (b) only water (c) fewer coins (d) the same coins
28. 28.True or false: a roof frame gets its strength from arches or domes. (a) False (b) True
29. 29.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) less (b) not at all (c) upward (d) more
30. 30.🔍 Which is the odd one out? (a) a wet flat sheet (b) paper with folded edges (c) a zigzag-folded sheet (d) rolled paper tubes
31. 31.🛟 How should the two books be placed for the paper bridge? (a) on top of a pet (b) on a stool edge (c) low and steady (d) high and wobbly
32. 32.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is what we measure. (a) False (b) True
33. 33.🧺 Do we need yeast for the paper bridge? (a) not needed (b) needed
34. 34.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is what we measure. (a) True (b) False
35. 35.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) sheets of paper (c) a mirror (d) coins
36. 36.True or false: an eggshell gets its strength from a tube shape. (a) True (b) False
37. 37.⚖️ 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
38. 38.🧺 Do we need a battery cell for the paper bridge? (a) not needed (b) needed
39. 39.⚖️ 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 gap between books (c) coins it holds (d) the shape of the paper
40. 40.🌉 Does a wet flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge

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