Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 59 · 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? True or false: where coins are placed is the one thing we change. (a) False (b) True
2. 2.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of paper”? (a) we change it (b) we keep it the same (c) we measure it
3. 3.🏗️ Which of these gets its strength from a tube shape? (a) a temple dome (b) an electric tower (c) an old stone bridge (d) a hollow bird bone
4. 4.True or false: a zigzag-folded sheet makes a weak bridge. (a) True (b) False
5. 5.🌉 Which of these makes a strong bridge? (a) a wet flat sheet (b) one flat sheet (c) a flat tissue (d) a U-shaped channel
6. 6.🧺 Which of these is needed for the paper bridge? (a) turmeric powder (b) coins (c) a magnet (d) a mirror
7. 7.🏗️ Which of these gets its strength from a tube shape? (a) an eggshell (b) an electric tower (c) a roof frame (d) a round pillar
8. 8.True or false: a ruler is not needed for the paper bridge. (a) True (b) False
9. 9.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) the shape of the paper (b) where coins are placed (c) the kind of coins (d) coins it holds
10. 10.True or false: a temple dome gets its strength from arches or domes. (a) False (b) True
11. 11.🏗️ Where does a bamboo pole get its strength from? (a) arches and domes (b) triangles (c) tubes
12. 12.True or false: a mirror is needed for the paper bridge. (a) False (b) True
13. 13.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) not at all (b) more (c) upward (d) less
14. 14.🔍 Which is the odd one out? (a) paper with folded edges (b) a zigzag-folded sheet (c) a wet flat sheet (d) a U-shaped channel
15. 15.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) more (b) fewer (c) the same number of (d) zero
16. 16.⚖️ Fair test — which paper shape holds the most coins? True or false: where coins are placed is kept the same. (a) False (b) True
17. 17.⚖️ 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 shape of the paper (d) coins it holds
18. 18.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) coins it holds (b) the shape of the paper (c) the gap between books
19. 19.True or false: coins is not needed for the paper bridge. (a) True (b) False
20. 20.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) rub your eyes (b) wash your hands (c) lick your fingers (d) skip washing
21. 21.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the shape of the paper”? (a) we keep it the same (b) we change it (c) we measure it
22. 22.🧺 Which of these is needed for the paper bridge? (a) sheets of paper (b) yeast (c) a magnet (d) a mirror
23. 23.🧺 Do we need coins for the paper bridge? (a) not needed (b) needed
24. 24.🧺 Do we need yeast for the paper bridge? (a) needed (b) not needed
25. 25.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) the shape of the paper (b) coins it holds (c) the kind of coins
26. 26.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the heart shape (b) the star (c) the triangle (d) the square
27. 27.🏗️ Where does a bridge truss get its strength from? (a) tubes (b) arches and domes (c) triangles
28. 28.True or false: a balloon is not needed for the paper bridge. (a) False (b) True
29. 29.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a magnet (b) coins (c) sheets of paper (d) a ruler
30. 30.🏗️ Which of these gets its strength from triangles? (a) an electric tower (b) a bamboo pole (c) an eggshell (d) an old stone bridge
31. 31.🧺 Do we need two books for the paper bridge? (a) needed (b) not needed
32. 32.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is what we measure. (a) False (b) True
33. 33.🥚 Why is an egg hard to crush when you press on its two ends? (a) it is very hot (b) it is magnetic (c) its curved arch shape (d) it is made of steel
34. 34.True or false: a flat tissue makes a strong bridge. (a) True (b) False
35. 35.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) more coins (b) only water (c) fewer coins (d) the same coins
36. 36.🏗️ Which of these gets its strength from arches or domes? (a) a bamboo pole (b) a hollow bird bone (c) a bridge truss (d) an eggshell
37. 37.True or false: a roof frame gets its strength from triangles. (a) True (b) False
38. 38.🏗️ Where does an electric tower get its strength from? (a) tubes (b) triangles (c) arches and domes
39. 39.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) sheets of paper (c) two books (d) a mirror
40. 40.True or false: a zigzag-folded sheet makes a strong bridge. (a) True (b) False

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