Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 239 · 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? Which of these is what we measure? (a) the shape of the paper (b) the kind of paper (c) the kind of coins (d) coins it holds
2. 2.🔍 Which is the odd one out? (a) a wet flat sheet (b) paper with folded edges (c) a U-shaped channel (d) a zigzag-folded sheet
3. 3.🌉 Which of these makes a strong bridge? (a) one flat sheet (b) a wet flat sheet (c) a torn flat sheet (d) rolled paper tubes
4. 4.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) where coins are placed (b) coins it holds (c) the shape of the paper (d) the kind of paper
5. 5.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) more (b) less (c) upward (d) not at all
6. 6.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) fewer (b) the same number of (c) more (d) zero
7. 7.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) a ruler (c) a battery cell (d) sheets of paper
8. 8.🏗️ Which of these gets its strength from a tube shape? (a) a bridge truss (b) an electric tower (c) a hollow bird bone (d) a roof frame
9. 9.🧺 Do we need a balloon for the paper bridge? (a) needed (b) not needed
10. 10.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of coins”? (a) we measure it (b) we keep it the same (c) we change it
11. 11.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) yeast (b) a ruler (c) sheets of paper (d) coins
12. 12.🌉 Which of these makes a weak bridge? (a) a U-shaped channel (b) one flat sheet (c) rolled paper tubes (d) paper with folded edges
13. 13.True or false: coins is not needed for the paper bridge. (a) False (b) True
14. 14.🔍 Which is the odd one out? (a) a flat tissue (b) a wet flat sheet (c) one flat sheet (d) a U-shaped channel
15. 15.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) wash your hands (b) lick your fingers (c) skip washing (d) rub your eyes
16. 16.⚖️ 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 measure it (c) we change it
17. 17.🏗️ Where does a bamboo pole get its strength from? (a) arches and domes (b) triangles (c) tubes
18. 18.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
19. 19.🏗️ Which of these gets its strength from arches or domes? (a) a hollow bird bone (b) a roof frame (c) a bridge truss (d) an old stone bridge
20. 20.🧺 Which of these is needed for the paper bridge? (a) sheets of paper (b) yeast (c) turmeric powder (d) a balloon
21. 21.🔍 Which is the odd one out? (a) a wet flat sheet (b) a torn flat sheet (c) a flat tissue (d) rolled paper tubes
22. 22.True or false: one flat sheet makes a weak bridge. (a) True (b) False
23. 23.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is what we measure. (a) False (b) True
24. 24.🏗️ Which of these gets its strength from triangles? (a) a temple dome (b) an electric tower (c) an eggshell (d) an old stone bridge
25. 25.🌉 Does paper with folded edges make a strong or a weak bridge? (a) strong bridge (b) weak bridge
26. 26.🌉 Which of these makes a strong bridge? (a) paper with folded edges (b) a flat tissue (c) one flat sheet (d) a wet flat sheet
27. 27.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the gap between books”? (a) we measure it (b) we keep it the same (c) we change it
28. 28.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) two books (c) turmeric powder (d) coins
29. 29.True or false: sheets of paper is needed for the paper bridge. (a) False (b) True
30. 30.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) two books (c) coins (d) a balloon
31. 31.⚖️ Fair test — which paper shape holds the most coins? What do we do with “where coins are placed”? (a) we measure it (b) we change it (c) we keep it the same
32. 32.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it floats up (b) it gets stronger (c) it turns to card (d) it sags and falls
33. 33.🧺 Do we need coins for the paper bridge? (a) not needed (b) needed
34. 34.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of paper”? (a) we change it (b) we measure it (c) we keep it the same
35. 35.🥚 Why is an egg hard to crush when you press on its two ends? (a) it is magnetic (b) its curved arch shape (c) it is very hot (d) it is made of steel
36. 36.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) strong bridge (b) weak bridge
37. 37.🏗️ Which of these gets its strength from triangles? (a) a bridge truss (b) a temple dome (c) a hollow bird bone (d) an old stone bridge
38. 38.🌉 Does a U-shaped channel make a strong or a weak bridge? (a) strong bridge (b) weak bridge
39. 39.🌉 Which of these makes a weak bridge? (a) a U-shaped channel (b) paper with folded edges (c) a torn flat sheet (d) a zigzag-folded sheet
40. 40.🧺 Do we need a battery cell for the paper bridge? (a) needed (b) not needed

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