Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 469 · 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: yeast is needed for the paper bridge. (a) True (b) False
2. 2.🌉 Does a torn flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
3. 3.🧺 Which of these is needed for the paper bridge? (a) two books (b) a magnet (c) yeast (d) a mirror
4. 4.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) lick your fingers (b) skip washing (c) rub your eyes (d) wash your hands
5. 5.⚖️ Fair test — which paper shape holds the most coins? True or false: where coins are placed is the one thing we change. (a) True (b) False
6. 6.🥚 Why is an egg hard to crush when you press on its two ends? (a) it is very hot (b) it is made of steel (c) it is magnetic (d) its curved arch shape
7. 7.True or false: a ruler is not needed for the paper bridge. (a) True (b) False
8. 8.⚖️ 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 gap between books
9. 9.🧺 Do we need turmeric powder for the paper bridge? (a) needed (b) not needed
10. 10.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) where coins are placed (b) coins it holds (c) the shape of the paper
11. 11.True or false: coins is not needed for the paper bridge. (a) False (b) True
12. 12.🏗️ Which of these gets its strength from arches or domes? (a) a temple dome (b) a roof frame (c) an electric tower (d) a bridge truss
13. 13.🌉 Does paper with folded edges make a strong or a weak bridge? (a) weak bridge (b) strong bridge
14. 14.🧺 Do we need a battery cell for the paper bridge? (a) needed (b) not needed
15. 15.True or false: a bridge truss gets its strength from triangles. (a) False (b) True
16. 16.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) a ruler (c) sheets of paper (d) turmeric powder
17. 17.🌉 Which of these makes a weak bridge? (a) rolled paper tubes (b) a torn flat sheet (c) paper with folded edges (d) a U-shaped channel
18. 18.🧺 Which of these is needed for the paper bridge? (a) turmeric powder (b) a ruler (c) a battery cell (d) a mirror
19. 19.🌉 Which of these makes a strong bridge? (a) a flat tissue (b) a torn flat sheet (c) a wet flat sheet (d) rolled paper tubes
20. 20.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) upward (b) not at all (c) less (d) more
21. 21.🧺 Do we need yeast for the paper bridge? (a) not needed (b) needed
22. 22.True or false: a torn flat sheet makes a strong bridge. (a) False (b) True
23. 23.🏗️ Where does an eggshell get its strength from? (a) arches and domes (b) tubes (c) triangles
24. 24.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) the kind of coins (b) where coins are placed (c) the kind of paper (d) the shape of the paper
25. 25.True or false: turmeric powder is needed for the paper bridge. (a) True (b) False
26. 26.🌉 Which of these makes a weak bridge? (a) paper with folded edges (b) a zigzag-folded sheet (c) a wet flat sheet (d) rolled paper tubes
27. 27.True or false: rolled paper tubes makes a strong bridge. (a) False (b) True
28. 28.🌉 Does a wet flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
29. 29.🏗️ Which of these gets its strength from triangles? (a) a bamboo pole (b) an old stone bridge (c) an eggshell (d) a roof frame
30. 30.True or false: a mirror is not needed for the paper bridge. (a) True (b) False
31. 31.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is kept the same. (a) False (b) True
32. 32.🔍 Which is the odd one out? (a) a flat tissue (b) a zigzag-folded sheet (c) one flat sheet (d) a wet flat sheet
33. 33.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is what we measure. (a) False (b) True
34. 34.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) only water (b) more coins (c) fewer coins (d) the same coins
35. 35.🛟 How should the two books be placed for the paper bridge? (a) on top of a pet (b) on a stool edge (c) high and wobbly (d) low and steady
36. 36.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is kept the same. (a) False (b) True
37. 37.🧺 Do we need a ruler for the paper bridge? (a) needed (b) not needed
38. 38.🔍 Which is the odd one out? (a) a U-shaped channel (b) a zigzag-folded sheet (c) paper with folded edges (d) a wet flat sheet
39. 39.🌉 Which of these makes a weak bridge? (a) rolled paper tubes (b) a flat tissue (c) a zigzag-folded sheet (d) a U-shaped channel
40. 40.🔍 Which is the odd one out? (a) one flat sheet (b) a zigzag-folded sheet (c) rolled paper tubes (d) paper with folded edges

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids