Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 181 · 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.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) skip washing (b) rub your eyes (c) lick your fingers (d) wash your hands
2. 2.🌉 Does a U-shaped channel make a strong or a weak bridge? (a) strong bridge (b) weak bridge
3. 3.True or false: two books is not needed for the paper bridge. (a) True (b) False
4. 4.⚖️ 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
5. 5.🔍 Which is the odd one out? (a) one flat sheet (b) a zigzag-folded sheet (c) paper with folded edges (d) rolled paper tubes
6. 6.True or false: a wet flat sheet makes a weak bridge. (a) False (b) True
7. 7.True or false: two books is needed for the paper bridge. (a) False (b) True
8. 8.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is kept the same. (a) False (b) True
9. 9.True or false: a roof frame gets its strength from triangles. (a) False (b) True
10. 10.🌉 Does one flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
11. 11.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of coins”? (a) we keep it the same (b) we change it (c) we measure it
12. 12.🌉 Which of these makes a weak bridge? (a) a flat tissue (b) paper with folded edges (c) a zigzag-folded sheet (d) a U-shaped channel
13. 13.🧺 Which of these is needed for the paper bridge? (a) a balloon (b) a battery cell (c) turmeric powder (d) a ruler
14. 14.True or false: a battery cell is needed for the paper bridge. (a) False (b) True
15. 15.🌉 Does a wet flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
16. 16.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the square (b) the heart shape (c) the triangle (d) the star
17. 17.🛟 How should the two books be placed for the paper bridge? (a) on a stool edge (b) on top of a pet (c) high and wobbly (d) low and steady
18. 18.🌉 Which of these makes a weak bridge? (a) rolled paper tubes (b) a torn flat sheet (c) paper with folded edges (d) a zigzag-folded sheet
19. 19.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) the kind of coins (b) the shape of the paper (c) the gap between books (d) where coins are placed
20. 20.True or false: a roof frame gets its strength from a tube shape. (a) True (b) False
21. 21.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) coins it holds (b) the kind of paper (c) the shape of the paper
22. 22.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of paper”? (a) we measure it (b) we change it (c) we keep it the same
23. 23.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a balloon (b) coins (c) two books (d) sheets of paper
24. 24.🔍 Which is the odd one out? (a) a U-shaped channel (b) one flat sheet (c) a flat tissue (d) a wet flat sheet
25. 25.🌉 Does paper with folded edges make a strong or a weak bridge? (a) strong bridge (b) weak bridge
26. 26.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) fewer (b) the same number of (c) more (d) zero
27. 27.🌉 Which of these makes a strong bridge? (a) a wet flat sheet (b) one flat sheet (c) a torn flat sheet (d) a zigzag-folded sheet
28. 28.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is what we measure. (a) False (b) True
29. 29.🔍 Which is the odd one out? (a) a flat tissue (b) a wet flat sheet (c) paper with folded edges (d) a torn flat sheet
30. 30.⚖️ 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
31. 31.True or false: a bridge truss gets its strength from triangles. (a) False (b) True
32. 32.🏗️ Where does an old stone bridge get its strength from? (a) triangles (b) arches and domes (c) tubes
33. 33.🧺 Do we need yeast for the paper bridge? (a) needed (b) not needed
34. 34.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it sags and falls (b) it turns to card (c) it floats up (d) it gets stronger
35. 35.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) only water (b) fewer coins (c) more coins (d) the same coins
36. 36.🧺 Do we need a balloon for the paper bridge? (a) needed (b) not needed
37. 37.🏗️ Which of these gets its strength from triangles? (a) an old stone bridge (b) a round pillar (c) a bamboo pole (d) an electric tower
38. 38.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) the kind of paper (b) coins it holds (c) the kind of coins (d) where coins are placed
39. 39.🧺 Which of these is not needed for the paper bridge? (a) sheets of paper (b) yeast (c) a ruler (d) coins
40. 40.🧺 Which of these is not needed for the paper bridge? (a) sheets of paper (b) coins (c) a ruler (d) turmeric powder

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