Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 158 · 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: an electric tower gets its strength from a tube shape. (a) False (b) True
2. 2.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is what we measure. (a) False (b) True
3. 3.🔍 Which is the odd one out? (a) paper with folded edges (b) a U-shaped channel (c) a flat tissue (d) a zigzag-folded sheet
4. 4.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) rub your eyes (b) wash your hands (c) skip washing (d) lick your fingers
5. 5.🧺 Which of these is needed for the paper bridge? (a) a mirror (b) a balloon (c) a battery cell (d) sheets of paper
6. 6.🧺 Do we need turmeric powder for the paper bridge? (a) needed (b) not needed
7. 7.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is the one thing we change. (a) False (b) True
8. 8.True or false: a ruler is not needed for the paper bridge. (a) True (b) False
9. 9.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the heart shape (b) the triangle (c) the star (d) the square
10. 10.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) strong bridge (b) weak bridge
11. 11.True or false: turmeric powder is needed for the paper bridge. (a) False (b) True
12. 12.True or false: a battery cell is needed for the paper bridge. (a) True (b) False
13. 13.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) only water (b) more coins (c) the same coins (d) fewer coins
14. 14.🌉 Does a U-shaped channel make a strong or a weak bridge? (a) weak bridge (b) strong bridge
15. 15.🌉 Does paper with folded edges make a strong or a weak bridge? (a) strong bridge (b) weak bridge
16. 16.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) sheets of paper (c) two books (d) a balloon
17. 17.True or false: a magnet is not needed for the paper bridge. (a) True (b) False
18. 18.🏗️ Which of these gets its strength from triangles? (a) a temple dome (b) a roof frame (c) a bamboo pole (d) a hollow bird bone
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) coins it holds (c) the shape of the paper (d) the kind of paper
20. 20.🔍 Which is the odd one out? (a) rolled paper tubes (b) paper with folded edges (c) a torn flat sheet (d) a zigzag-folded sheet
21. 21.True or false: two books is not needed for the paper bridge. (a) True (b) False
22. 22.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) two books (c) a ruler (d) turmeric powder
23. 23.🏗️ Where does an old stone bridge get its strength from? (a) arches and domes (b) triangles (c) tubes
24. 24.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of coins is what we measure. (a) True (b) False
25. 25.🏗️ Where does a round pillar get its strength from? (a) arches and domes (b) triangles (c) tubes
26. 26.True or false: a U-shaped channel makes a weak bridge. (a) False (b) True
27. 27.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) yeast (c) two books (d) sheets of paper
28. 28.🌉 Which of these makes a weak bridge? (a) a U-shaped channel (b) rolled paper tubes (c) a wet flat sheet (d) a zigzag-folded sheet
29. 29.🔍 Which is the odd one out? (a) a U-shaped channel (b) one flat sheet (c) a zigzag-folded sheet (d) rolled paper tubes
30. 30.🛟 How should the two books be placed for the paper bridge? (a) on a stool edge (b) on top of a pet (c) low and steady (d) high and wobbly
31. 31.🥚 Why is an egg hard to crush when you press on its two ends? (a) its curved arch shape (b) it is magnetic (c) it is made of steel (d) it is very hot
32. 32.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) zero (b) fewer (c) more (d) the same number of
33. 33.🌉 Which of these makes a strong bridge? (a) a torn flat sheet (b) one flat sheet (c) rolled paper tubes (d) a wet flat sheet
34. 34.⚖️ 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 gap between books (d) the shape of the paper
35. 35.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of coins is kept the same. (a) False (b) True
36. 36.⚖️ Fair test — which paper shape holds the most coins? True or false: where coins are placed is kept the same. (a) False (b) True
37. 37.🧺 Do we need a balloon for the paper bridge? (a) needed (b) not needed
38. 38.🌉 Which of these makes a weak bridge? (a) a U-shaped channel (b) rolled paper tubes (c) a flat tissue (d) a zigzag-folded sheet
39. 39.🧺 Do we need a mirror for the paper bridge? (a) needed (b) not needed
40. 40.True or false: an electric tower gets its strength from arches or domes. (a) True (b) False

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