Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 676 · 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) lick your fingers (b) skip washing (c) wash your hands (d) rub your eyes
2. 2.🔍 Which is the odd one out? (a) one flat sheet (b) a U-shaped channel (c) a wet flat sheet (d) a flat tissue
3. 3.🌉 Does one flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
4. 4.True or false: coins is needed for the paper bridge. (a) True (b) False
5. 5.🔍 Which is the odd one out? (a) paper with folded edges (b) a wet flat sheet (c) one flat sheet (d) a torn flat sheet
6. 6.🛟 How should the two books be placed for the paper bridge? (a) high and wobbly (b) low and steady (c) on top of a pet (d) on a stool edge
7. 7.⚖️ 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) the shape of the paper (d) the kind of coins
8. 8.🌉 Which of these makes a strong bridge? (a) a U-shaped channel (b) a torn flat sheet (c) one flat sheet (d) a wet flat sheet
9. 9.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is what we measure. (a) False (b) True
10. 10.True or false: a bridge truss gets its strength from arches or domes. (a) False (b) True
11. 11.⚖️ 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 keep it the same (c) we change it
12. 12.True or false: coins is not needed for the paper bridge. (a) True (b) False
13. 13.🧺 Do we need a mirror for the paper bridge? (a) not needed (b) needed
14. 14.🏗️ Where does an electric tower get its strength from? (a) tubes (b) triangles (c) arches and domes
15. 15.🌉 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
16. 16.⚖️ 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
17. 17.⚖️ Fair test — which paper shape holds the most coins? What do we do with “where coins are placed”? (a) we measure it (b) we keep it the same (c) we change it
18. 18.True or false: a mirror is not needed for the paper bridge. (a) True (b) False
19. 19.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) sheets of paper (c) coins (d) a battery cell
20. 20.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) weak bridge (b) strong bridge
21. 21.🔍 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
22. 22.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is kept the same. (a) True (b) False
23. 23.🏗️ Where does a temple dome get its strength from? (a) tubes (b) triangles (c) arches and domes
24. 24.True or false: turmeric powder is not needed for the paper bridge. (a) True (b) False
25. 25.True or false: yeast is not needed for the paper bridge. (a) False (b) True
26. 26.⚖️ Fair test — which paper shape holds the most coins? What do we do with “coins it holds”? (a) we measure it (b) we change it (c) we keep it the same
27. 27.🌉 Does a torn flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
28. 28.🔺 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 star (d) the triangle
29. 29.🏗️ Where does a roof frame get its strength from? (a) arches and domes (b) tubes (c) triangles
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) False (b) True
31. 31.🌉 Does a flat tissue make a strong or a weak bridge? (a) weak bridge (b) strong bridge
32. 32.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) more coins (b) the same coins (c) fewer coins (d) only water
33. 33.True or false: two books is not needed for the paper bridge. (a) False (b) True
34. 34.🌉 Which of these makes a strong bridge? (a) one flat sheet (b) a torn flat sheet (c) rolled paper tubes (d) a flat tissue
35. 35.🧺 Do we need turmeric powder for the paper bridge? (a) needed (b) not needed
36. 36.🔍 Which is the odd one out? (a) a wet flat sheet (b) a zigzag-folded sheet (c) one flat sheet (d) a torn flat sheet
37. 37.🏗️ Which of these gets its strength from triangles? (a) a hollow bird bone (b) an eggshell (c) a temple dome (d) an electric tower
38. 38.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is what we measure. (a) False (b) True
39. 39.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
40. 40.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) a magnet (c) two books (d) sheets of paper

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