Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 427 · 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 of these makes a strong bridge? (a) a torn flat sheet (b) a U-shaped channel (c) a flat tissue (d) a wet flat sheet
2. 2.True or false: a balloon is needed for the paper bridge. (a) True (b) False
3. 3.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is kept the same. (a) True (b) False
4. 4.🌉 Does paper with folded edges make a strong or a weak bridge? (a) weak bridge (b) strong bridge
5. 5.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) the same number of (b) zero (c) fewer (d) more
6. 6.True or false: a mirror is needed for the paper bridge. (a) True (b) False
7. 7.⚖️ 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 coins (c) where coins are placed (d) coins it holds
8. 8.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) lick your fingers (b) rub your eyes (c) skip washing (d) wash your hands
9. 9.🔍 Which is the odd one out? (a) a torn flat sheet (b) a U-shaped channel (c) paper with folded edges (d) rolled paper tubes
10. 10.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of coins is what we measure. (a) False (b) True
11. 11.🔍 Which is the odd one out? (a) a torn flat sheet (b) a flat tissue (c) paper with folded edges (d) a wet flat sheet
12. 12.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) a ruler (c) a mirror (d) coins
13. 13.🛟 How should the two books be placed for the paper bridge? (a) low and steady (b) on top of a pet (c) on a stool edge (d) high and wobbly
14. 14.True or false: coins is needed for the paper bridge. (a) True (b) False
15. 15.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) the kind of paper (b) where coins are placed (c) coins it holds (d) the shape of the paper
16. 16.🔍 Which is the odd one out? (a) rolled paper tubes (b) paper with folded edges (c) a flat tissue (d) a U-shaped channel
17. 17.🏗️ Which of these gets its strength from triangles? (a) an eggshell (b) an old stone bridge (c) a bridge truss (d) a temple dome
18. 18.🧺 Which of these is needed for the paper bridge? (a) a battery cell (b) a mirror (c) coins (d) a magnet
19. 19.True or false: two books is needed for the paper bridge. (a) True (b) False
20. 20.🌉 Does one flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
21. 21.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a balloon (b) sheets of paper (c) a ruler (d) two books
22. 22.🧺 Which of these is needed for the paper bridge? (a) a magnet (b) yeast (c) two books (d) a balloon
23. 23.🌉 Does a flat tissue make a strong or a weak bridge? (a) weak bridge (b) strong bridge
24. 24.True or false: turmeric powder is needed for the paper bridge. (a) True (b) False
25. 25.🔍 Which is the odd one out? (a) a torn flat sheet (b) one flat sheet (c) a zigzag-folded sheet (d) a wet flat sheet
26. 26.🧺 Do we need a balloon for the paper bridge? (a) needed (b) not needed
27. 27.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the gap between books”? (a) we change it (b) we keep it the same (c) we measure it
28. 28.True or false: an electric tower gets its strength from triangles. (a) False (b) True
29. 29.🔍 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
30. 30.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of coins”? (a) we measure it (b) we change it (c) we keep it the same
31. 31.🥚 Why is an egg hard to crush when you press on its two ends? (a) it is magnetic (b) it is made of steel (c) it is very hot (d) its curved arch shape
32. 32.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) coins (c) sheets of paper (d) a battery cell
33. 33.🏗️ Which of these gets its strength from a tube shape? (a) an eggshell (b) a temple dome (c) a bridge truss (d) a bamboo pole
34. 34.🌉 Which of these makes a weak bridge? (a) paper with folded edges (b) a wet flat sheet (c) a U-shaped channel (d) rolled paper tubes
35. 35.🏗️ Which of these gets its strength from triangles? (a) a temple dome (b) a roof frame (c) a bamboo pole (d) an old stone bridge
36. 36.🧺 Do we need turmeric powder for the paper bridge? (a) needed (b) not needed
37. 37.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the shape of the paper”? (a) we measure it (b) we change it (c) we keep it the same
38. 38.True or false: a bamboo pole gets its strength from arches or domes. (a) True (b) False
39. 39.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is the one thing we change. (a) True (b) False
40. 40.🧺 Which of these is not needed for the paper bridge? (a) a ruler (b) coins (c) a magnet (d) sheets of paper

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