Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 872 · 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.True or false: a magnet is needed for the paper bridge. (a) True (b) False
2. 2.🔍 Which is the odd one out? (a) rolled paper tubes (b) a U-shaped channel (c) a zigzag-folded sheet (d) one flat sheet
3. 3.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) coins (c) a balloon (d) two books
4. 4.🌉 Does one flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
5. 5.🛟 How should the two books be placed for the paper bridge? (a) on top of a pet (b) low and steady (c) high and wobbly (d) on a stool edge
6. 6.🏗️ Which of these gets its strength from arches or domes? (a) an electric tower (b) an eggshell (c) a round pillar (d) a bridge truss
7. 7.⚖️ 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
8. 8.🧺 Which of these is needed for the paper bridge? (a) yeast (b) coins (c) a battery cell (d) a mirror
9. 9.True or false: one flat sheet makes a weak bridge. (a) False (b) True
10. 10.⚖️ 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
11. 11.🔍 Which is the odd one out? (a) a flat tissue (b) paper with folded edges (c) one flat sheet (d) a wet flat sheet
12. 12.🥚 Why is an egg hard to crush when you press on its two ends? (a) it is made of steel (b) it is magnetic (c) it is very hot (d) its curved arch shape
13. 13.True or false: yeast is needed for the paper bridge. (a) False (b) True
14. 14.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a magnet (b) sheets of paper (c) two books (d) coins
15. 15.🔍 Which is the odd one out? (a) a wet flat sheet (b) one flat sheet (c) a flat tissue (d) a U-shaped channel
16. 16.⚖️ 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 shape of the paper (c) the kind of coins (d) where coins are placed
17. 17.🌉 Does a flat tissue make a strong or a weak bridge? (a) weak bridge (b) strong bridge
18. 18.True or false: a wet flat sheet makes a strong bridge. (a) True (b) False
19. 19.🧺 Which of these is needed for the paper bridge? (a) turmeric powder (b) a balloon (c) sheets of paper (d) a mirror
20. 20.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) the same number of (b) zero (c) more (d) fewer
21. 21.True or false: a hollow bird bone gets its strength from triangles. (a) False (b) True
22. 22.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) sheets of paper (c) two books (d) yeast
23. 23.True or false: a bridge truss gets its strength from arches or domes. (a) False (b) True
24. 24.True or false: a mirror is not needed for the paper bridge. (a) False (b) True
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) where coins are placed
26. 26.🔍 Which is the odd one out? (a) a wet flat sheet (b) rolled paper tubes (c) paper with folded edges (d) a U-shaped channel
27. 27.🧺 Which of these is not needed for the paper bridge? (a) sheets of paper (b) a battery cell (c) two books (d) a ruler
28. 28.🧺 Which of these is not needed for the paper bridge? (a) a ruler (b) sheets of paper (c) a balloon (d) two books
29. 29.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it gets stronger (b) it turns to card (c) it sags and falls (d) it floats up
30. 30.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) the gap between books (b) the kind of paper (c) coins it holds (d) where coins are placed
31. 31.True or false: paper with folded edges makes a weak bridge. (a) True (b) False
32. 32.🌉 Which of these makes a strong bridge? (a) a U-shaped channel (b) a wet flat sheet (c) a torn flat sheet (d) one flat sheet
33. 33.🧺 Do we need a magnet for the paper bridge? (a) not needed (b) needed
34. 34.True or false: two books is not needed for the paper bridge. (a) False (b) True
35. 35.🔍 Which is the odd one out? (a) a flat tissue (b) a U-shaped channel (c) a zigzag-folded sheet (d) rolled paper tubes
36. 36.🧺 Do we need sheets of paper for the paper bridge? (a) needed (b) not needed
37. 37.🌉 Which of these makes a weak bridge? (a) rolled paper tubes (b) paper with folded edges (c) a zigzag-folded sheet (d) one flat sheet
38. 38.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) a ruler (c) sheets of paper (d) a mirror
39. 39.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is the one thing we change. (a) True (b) False
40. 40.🧺 Which of these is needed for the paper bridge? (a) turmeric powder (b) a mirror (c) a ruler (d) a magnet

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