Engineering Worksheet: Earthquake-Safe Buildings

Engineering lesson 21: Earthquake-safe buildings · Set 306 · 40 questions

Engineer's tip (Low, wide, flexible): Safer: wide base, flexible joints, bracing, steel in concrete, light roof, rubber pads, simple shape. Less safe: heavy tops, narrow bases, loose bricks, no steel, brittle joints. Tipping: compare height ÷ base width — the smaller it is, the steadier the block.

1. 1.🔍 Which is the odd one out? (a) making brittle joints (b) adding steel to concrete (c) using flexible joints (d) having a wide base
2. 2.🏚️ Why are flexible joints good in an earthquake? (a) they look nice (b) they are cheap (c) they stop shaking (d) they bend, not break
3. 3.True or false: adding steel to concrete makes a building less safe in earthquakes. (a) True (b) False
4. 4.🏚️ Does stacking loose bricks make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
5. 5.True or false: leaving out steel bars makes a building less safe in earthquakes. (a) True (b) False
6. 6.🏚️ Three solid model towers are made of the same material. Tower A is 10 cm tall on a 10 cm wide base, tower B is 160 cm tall on a 40 cm base and tower C is 30 cm tall on a 10 cm base. Which is the hardest to tip over? (a) tower C (b) tower B (c) tower A
7. 7.🏚️ Does raising heavy tanks high make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
8. 8.🏚️ Three solid model towers are made of the same material. Tower A is 40 cm tall on a 40 cm wide base, tower B is 120 cm tall on a 40 cm base and tower C is 20 cm tall on a 10 cm base. Which is the easiest to tip over? (a) tower A (b) tower B (c) tower C
9. 9.True or false: adding steel to concrete makes a building safer in earthquakes. (a) True (b) False
10. 10.🔍 Which is the odd one out? (a) building tall and narrow (b) keeping a simple shape (c) using a heavy roof (d) raising heavy tanks high
11. 11.🏚️ Does keeping a simple shape make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
12. 12.🔍 Which is the odd one out? (a) using a light roof (b) stacking loose bricks (c) having a wide base (d) adding cross bracing
13. 13.🏚️ Three solid model towers are made of the same material. Tower A is 50 cm tall on a 10 cm wide base, tower B is 160 cm tall on a 40 cm base and tower C is 20 cm tall on a 10 cm base. Which is the hardest to tip over? (a) tower B (b) tower C (c) tower A
14. 14.🏚️ What do engineers use to test models of buildings for earthquakes? (a) a shake table (b) a microscope (c) a fridge (d) a telescope
15. 15.Which of these makes a building safer in earthquakes? (a) raising heavy tanks high (b) using a heavy roof (c) building tall and narrow (d) using flexible joints
16. 16.Which of these makes a building less safe in earthquakes? (a) fitting rubber base pads (b) building tall and narrow (c) having a wide base (d) adding steel to concrete
17. 17.🔍 Which is the odd one out? (a) making brittle joints (b) stacking loose bricks (c) fitting rubber base pads (d) using a heavy roof
18. 18.Which of these makes a building safer in earthquakes? (a) stacking loose bricks (b) using a heavy roof (c) using a light roof (d) leaving out steel bars
19. 19.True or false: having a wide base makes a building less safe in earthquakes. (a) True (b) False
20. 20.🏚️ Three solid model towers are made of the same material. Tower A is 150 cm tall on a 30 cm wide base, tower B is 30 cm tall on a 10 cm base and tower C is 40 cm tall on a 10 cm base. Which is the easiest to tip over? (a) tower B (b) tower A (c) tower C
21. 21.🏚️ Does using flexible joints make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
22. 22.Which of these makes a building safer in earthquakes? (a) building tall and narrow (b) stacking loose bricks (c) adding steel to concrete (d) leaving out steel bars
23. 23.True or false: using a heavy roof makes a building less safe in earthquakes. (a) True (b) False
24. 24.🔍 Which is the odd one out? (a) adding steel to concrete (b) using a heavy roof (c) building tall and narrow (d) stacking loose bricks
25. 25.🏚️ Where should heavy water tanks go in a quake zone? (a) on a thin pole (b) low down (c) on the very top (d) hanging outside
26. 26.🏚️ Why is a wide base safer? (a) it is taller (b) it is harder to tip over (c) it is colourful (d) it is lighter
27. 27.🏚️ Does adding steel to concrete make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
28. 28.🔍 Which is the odd one out? (a) having a wide base (b) keeping a simple shape (c) using a heavy roof (d) using flexible joints
29. 29.True or false: using flexible joints makes a building less safe in earthquakes. (a) False (b) True
30. 30.🏚️ Does fitting rubber base pads make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
31. 31.🏚️ Does using a heavy roof make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
32. 32.🏚️ Three solid model towers are made of the same material. Tower A is 160 cm tall on a 40 cm wide base, tower B is 60 cm tall on a 10 cm base and tower C is 40 cm tall on a 20 cm base. Which is the easiest to tip over? (a) tower A (b) tower B (c) tower C
33. 33.Which of these makes a building less safe in earthquakes? (a) adding cross bracing (b) using a light roof (c) fitting rubber base pads (d) using a heavy roof
34. 34.True or false: stacking loose bricks makes a building safer in earthquakes. (a) True (b) False
35. 35.🏚️ Three solid model towers are made of the same material. Tower A is 60 cm tall on a 20 cm wide base, tower B is 160 cm tall on a 40 cm base and tower C is 10 cm tall on a 10 cm base. Which is the easiest to tip over? (a) tower B (b) tower C (c) tower A
36. 36.True or false: leaving out steel bars makes a building safer in earthquakes. (a) True (b) False
37. 37.🏚️ Three solid model towers are made of the same material. Tower A is 200 cm tall on a 40 cm wide base, tower B is 120 cm tall on a 40 cm base and tower C is 70 cm tall on a 10 cm base. Which is the easiest to tip over? (a) tower C (b) tower B (c) tower A
38. 38.🏚️ Three solid model towers are made of the same material. Tower A is 40 cm tall on a 10 cm wide base, tower B is 140 cm tall on a 20 cm base and tower C is 120 cm tall on a 20 cm base. Which is the hardest to tip over? (a) tower B (b) tower A (c) tower C
39. 39.True or false: using a light roof makes a building less safe in earthquakes. (a) True (b) False
40. 40.True or false: using flexible joints makes a building safer in earthquakes. (a) False (b) True

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