Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 561 · 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 is the odd one out? (a) one flat sheet (b) a torn flat sheet (c) a wet flat sheet (d) a zigzag-folded sheet
2. 2.True or false: two books is needed for the paper bridge. (a) True (b) False
3. 3.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) fewer (b) zero (c) the same number of (d) more
4. 4.True or false: a hollow bird bone gets its strength from triangles. (a) False (b) True
5. 5.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) coins it holds (b) where coins are placed (c) the shape of the paper (d) the kind of coins
6. 6.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) two books (c) turmeric powder (d) sheets of paper
7. 7.⚖️ 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 kind of paper
8. 8.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it turns to card (b) it gets stronger (c) it floats up (d) it sags and falls
9. 9.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) two books (c) a ruler (d) a magnet
10. 10.🥚 Why is an egg hard to crush when you press on its two ends? (a) it is made of steel (b) it is very hot (c) it is magnetic (d) its curved arch shape
11. 11.🏗️ Where does an electric tower get its strength from? (a) tubes (b) arches and domes (c) triangles
12. 12.🔍 Which is the odd one out? (a) paper with folded edges (b) a flat tissue (c) a torn flat sheet (d) one flat sheet
13. 13.True or false: yeast is not needed for the paper bridge. (a) False (b) True
14. 14.True or false: a torn flat sheet makes a strong bridge. (a) False (b) True
15. 15.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a battery cell (b) sheets of paper (c) coins (d) a ruler
16. 16.🏗️ Which of these gets its strength from triangles? (a) a bamboo pole (b) a hollow bird bone (c) an electric tower (d) an old stone bridge
17. 17.True or false: a flat tissue makes a strong bridge. (a) False (b) True
18. 18.🏗️ Which of these gets its strength from triangles? (a) a round pillar (b) a hollow bird bone (c) a roof frame (d) a temple dome
19. 19.True or false: a bridge truss gets its strength from triangles. (a) False (b) True
20. 20.🌉 Does paper with folded edges make a strong or a weak bridge? (a) weak bridge (b) strong bridge
21. 21.🧺 Do we need a ruler for the paper bridge? (a) not needed (b) needed
22. 22.🧺 Which of these is needed for the paper bridge? (a) coins (b) a mirror (c) a magnet (d) turmeric powder
23. 23.🌉 Does a torn flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
24. 24.🏗️ Which of these gets its strength from a tube shape? (a) an old stone bridge (b) an electric tower (c) a round pillar (d) a bridge truss
25. 25.True or false: a U-shaped channel makes a strong bridge. (a) False (b) True
26. 26.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) weak bridge (b) strong bridge
27. 27.🌉 Which of these makes a weak bridge? (a) a zigzag-folded sheet (b) a U-shaped channel (c) one flat sheet (d) paper with folded edges
28. 28.🌉 Does one flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
29. 29.🛟 How should the two books be placed for the paper bridge? (a) high and wobbly (b) on top of a pet (c) on a stool edge (d) low and steady
30. 30.True or false: a bamboo pole gets its strength from triangles. (a) True (b) False
31. 31.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of coins is kept the same. (a) True (b) False
32. 32.🔺 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
33. 33.🔍 Which is the odd one out? (a) a zigzag-folded sheet (b) one flat sheet (c) a U-shaped channel (d) rolled paper tubes
34. 34.⚖️ 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
35. 35.🧺 Do we need coins for the paper bridge? (a) not needed (b) needed
36. 36.True or false: turmeric powder is needed for the paper bridge. (a) True (b) False
37. 37.🧺 Do we need a magnet for the paper bridge? (a) not needed (b) needed
38. 38.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) wash your hands (b) rub your eyes (c) skip washing (d) lick your fingers
39. 39.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is kept the same. (a) False (b) True
40. 40.⚖️ 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

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