Engineering Worksheet: Earthquake-Safe Buildings

Engineering lesson 21: Earthquake-safe buildings · Set 120 · 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) adding steel to concrete (b) adding cross bracing (c) using flexible joints (d) making brittle joints
2. 2.🔍 Which is the odd one out? (a) building tall and narrow (b) adding steel to concrete (c) using flexible joints (d) having a wide base
3. 3.🏚️ Does having a wide base make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
4. 4.🏚️ Does making brittle joints make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
5. 5.🏚️ What do engineers use to test models of buildings for earthquakes? (a) a microscope (b) a telescope (c) a fridge (d) a shake table
6. 6.🏚️ 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 180 cm tall on a 30 cm base and tower C is 120 cm tall on a 40 cm base. Which is the hardest to tip over? (a) tower C (b) tower B (c) tower A
7. 7.Which of these makes a building safer in earthquakes? (a) leaving out steel bars (b) stacking loose bricks (c) adding steel to concrete (d) raising heavy tanks high
8. 8.🏚️ Does using flexible joints make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
9. 9.🔍 Which is the odd one out? (a) leaving out steel bars (b) using flexible joints (c) using a light roof (d) adding steel to concrete
10. 10.🏚️ Does fitting rubber base pads make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
11. 11.Which of these makes a building safer in earthquakes? (a) stacking loose bricks (b) using a heavy roof (c) using flexible joints (d) building tall and narrow
12. 12.🔍 Which is the odd one out? (a) making brittle joints (b) building tall and narrow (c) using a light roof (d) leaving out steel bars
13. 13.🔍 Which is the odd one out? (a) having a wide base (b) adding steel to concrete (c) fitting rubber base pads (d) raising heavy tanks high
14. 14.🏚️ Why are flexible joints good in an earthquake? (a) they stop shaking (b) they are cheap (c) they look nice (d) they bend, not break
15. 15.Which of these makes a building safer in earthquakes? (a) raising heavy tanks high (b) using a heavy roof (c) making brittle joints (d) having a wide base
16. 16.True or false: adding steel to concrete makes a building less safe in earthquakes. (a) False (b) True
17. 17.Which of these makes a building less safe in earthquakes? (a) fitting rubber base pads (b) having a wide base (c) using flexible joints (d) stacking loose bricks
18. 18.🔍 Which is the odd one out? (a) adding cross bracing (b) adding steel to concrete (c) using a heavy roof (d) using flexible joints
19. 19.Which of these makes a building safer in earthquakes? (a) leaving out steel bars (b) stacking loose bricks (c) making brittle joints (d) keeping a simple shape
20. 20.Which of these makes a building less safe in earthquakes? (a) having a wide base (b) fitting rubber base pads (c) adding cross bracing (d) using a heavy roof
21. 21.True or false: leaving out steel bars makes a building safer in earthquakes. (a) False (b) True
22. 22.🏚️ Where should heavy water tanks go in a quake zone? (a) hanging outside (b) on the very top (c) on a thin pole (d) low down
23. 23.🔍 Which is the odd one out? (a) stacking loose bricks (b) keeping a simple shape (c) making brittle joints (d) leaving out steel bars
24. 24.🏚️ Does raising heavy tanks high make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
25. 25.True or false: keeping a simple shape makes a building less safe in earthquakes. (a) False (b) True
26. 26.🔍 Which is the odd one out? (a) leaving out steel bars (b) building tall and narrow (c) making brittle joints (d) fitting rubber base pads
27. 27.True or false: using a light roof makes a building less safe in earthquakes. (a) True (b) False
28. 28.🏚️ Does keeping a simple shape make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
29. 29.🏚️ Why is a wide base safer? (a) it is harder to tip over (b) it is colourful (c) it is lighter (d) it is taller
30. 30.🏚️ Does leaving out steel bars make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
31. 31.True or false: using a light roof makes a building safer in earthquakes. (a) False (b) True
32. 32.🔍 Which is the odd one out? (a) building tall and narrow (b) raising heavy tanks high (c) having a wide base (d) using a heavy roof
33. 33.True or false: making brittle joints makes a building less safe in earthquakes. (a) False (b) True
34. 34.Which of these makes a building safer in earthquakes? (a) making brittle joints (b) building tall and narrow (c) using a light roof (d) stacking loose bricks
35. 35.🏚️ Three solid model towers are made of the same material. Tower A is 20 cm tall on a 10 cm wide base, tower B is 30 cm tall on a 10 cm base and tower C is 200 cm tall on a 40 cm base. Which is the easiest to tip over? (a) tower A (b) tower C (c) tower B
36. 36.🏚️ Three solid model towers are made of the same material. Tower A is 30 cm tall on a 10 cm wide base, tower B is 150 cm tall on a 30 cm base and tower C is 40 cm tall on a 40 cm base. Which is the hardest to tip over? (a) tower A (b) tower C (c) tower B
37. 37.True or false: stacking loose bricks makes a building less safe in earthquakes. (a) True (b) False
38. 38.🏚️ Three solid model towers are made of the same material. Tower A is 120 cm tall on a 30 cm wide base, tower B is 40 cm tall on a 40 cm base and tower C is 90 cm tall on a 30 cm base. Which is the hardest to tip over? (a) tower C (b) tower B (c) tower A
39. 39.Which of these makes a building less safe in earthquakes? (a) leaving out steel bars (b) using flexible joints (c) adding cross bracing (d) keeping a simple shape
40. 40.🏚️ Three solid model towers are made of the same material. Tower A is 120 cm tall on a 40 cm wide base, tower B is 80 cm tall on a 20 cm base and tower C is 30 cm tall on a 30 cm base. Which is the hardest to tip over? (a) tower C (b) tower B (c) tower A

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