Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 995 · 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.🛟 How should the two books be placed for the paper bridge? (a) high and wobbly (b) on top of a pet (c) low and steady (d) on a stool edge
2. 2.🧺 Which of these is not needed for the paper bridge? (a) a ruler (b) coins (c) a balloon (d) two books
3. 3.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) a ruler (c) yeast (d) coins
4. 4.True or false: a U-shaped channel makes a strong bridge. (a) False (b) True
5. 5.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) coins it holds (b) the kind of coins (c) where coins are placed (d) the gap between books
6. 6.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) the gap between books (b) the kind of paper (c) where coins are placed (d) the shape of the paper
7. 7.True or false: an electric tower gets its strength from arches or domes. (a) True (b) False
8. 8.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) zero (b) fewer (c) more (d) the same number of
9. 9.🏗️ Which of these gets its strength from a tube shape? (a) an electric tower (b) an old stone bridge (c) a round pillar (d) an eggshell
10. 10.🧺 Do we need sheets of paper for the paper bridge? (a) not needed (b) needed
11. 11.🔍 Which is the odd one out? (a) rolled paper tubes (b) a U-shaped channel (c) paper with folded edges (d) a torn flat sheet
12. 12.⚖️ 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
13. 13.🔍 Which is the odd one out? (a) one flat sheet (b) rolled paper tubes (c) a zigzag-folded sheet (d) paper with folded edges
14. 14.🧺 Do we need coins for the paper bridge? (a) needed (b) not needed
15. 15.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) two books (c) a balloon (d) a ruler
16. 16.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
17. 17.🧺 Do we need yeast for the paper bridge? (a) needed (b) not needed
18. 18.🌉 Which of these makes a weak bridge? (a) a zigzag-folded sheet (b) a torn flat sheet (c) rolled paper tubes (d) a U-shaped channel
19. 19.🏗️ Which of these gets its strength from arches or domes? (a) a bamboo pole (b) an eggshell (c) a bridge truss (d) a round pillar
20. 20.🏗️ Where does a temple dome get its strength from? (a) arches and domes (b) triangles (c) tubes
21. 21.🧺 Do we need a ruler for the paper bridge? (a) needed (b) not needed
22. 22.🔍 Which is the odd one out? (a) a torn flat sheet (b) a wet flat sheet (c) one flat sheet (d) rolled paper tubes
23. 23.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) more (b) not at all (c) upward (d) less
24. 24.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) a ruler (c) sheets of paper (d) a mirror
25. 25.🌉 Which of these makes a strong bridge? (a) a torn flat sheet (b) a zigzag-folded sheet (c) a flat tissue (d) one flat sheet
26. 26.True or false: two books is not needed for the paper bridge. (a) False (b) True
27. 27.True or false: coins is needed for the paper bridge. (a) True (b) False
28. 28.🌉 Does a torn flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
29. 29.🌉 Does a wet flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
30. 30.🧺 Do we need a battery cell for the paper bridge? (a) needed (b) not needed
31. 31.True or false: a battery cell is needed for the paper bridge. (a) False (b) True
32. 32.🥚 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
33. 33.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a magnet (b) a ruler (c) two books (d) sheets of paper
34. 34.🏗️ Where does a round pillar get its strength from? (a) tubes (b) arches and domes (c) triangles
35. 35.True or false: one flat sheet makes a weak bridge. (a) True (b) False
36. 36.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) where coins are placed (b) the shape of the paper (c) coins it holds
37. 37.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) more coins (b) only water (c) fewer coins (d) the same coins
38. 38.🔍 Which is the odd one out? (a) a flat tissue (b) a torn flat sheet (c) a zigzag-folded sheet (d) one flat sheet
39. 39.🌉 Which of these makes a strong bridge? (a) a flat tissue (b) one flat sheet (c) a torn flat sheet (d) paper with folded edges
40. 40.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) lick your fingers (b) wash your hands (c) skip washing (d) rub your eyes

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