Engineering Worksheet: Earthquake-Safe Buildings

Engineering lesson 21: Earthquake-safe buildings · Set 302 · 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) building tall and narrow (b) raising heavy tanks high (c) adding steel to concrete (d) stacking loose bricks
2. 2.True or false: adding cross bracing makes a building safer in earthquakes. (a) False (b) True
3. 3.🏚️ 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 120 cm tall on a 30 cm base and tower C is 150 cm tall on a 30 cm base. Which is the hardest to tip over? (a) tower A (b) tower C (c) tower B
4. 4.🔍 Which is the odd one out? (a) using a heavy roof (b) building tall and narrow (c) having a wide base (d) making brittle joints
5. 5.🔍 Which is the odd one out? (a) having a wide base (b) using a light roof (c) keeping a simple shape (d) making brittle joints
6. 6.🔍 Which is the odd one out? (a) keeping a simple shape (b) adding steel to concrete (c) fitting rubber base pads (d) using a heavy roof
7. 7.Which of these makes a building less safe in earthquakes? (a) keeping a simple shape (b) using flexible joints (c) using a heavy roof (d) adding steel to concrete
8. 8.Which of these makes a building safer in earthquakes? (a) using a heavy roof (b) making brittle joints (c) building tall and narrow (d) adding steel to concrete
9. 9.🏚️ Does using flexible joints make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
10. 10.True or false: adding steel to concrete makes a building safer in earthquakes. (a) False (b) True
11. 11.Which of these makes a building safer in earthquakes? (a) using flexible joints (b) making brittle joints (c) building tall and narrow (d) raising heavy tanks high
12. 12.🏚️ Does having a wide base make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
13. 13.🏚️ Why are flexible joints good in an earthquake? (a) they are cheap (b) they look nice (c) they stop shaking (d) they bend, not break
14. 14.🏚️ Does raising heavy tanks high make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
15. 15.True or false: fitting rubber base pads makes a building safer in earthquakes. (a) True (b) False
16. 16.True or false: making brittle joints makes a building less safe in earthquakes. (a) False (b) True
17. 17.🏚️ Does using a light roof make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
18. 18.Which of these makes a building safer in earthquakes? (a) using a heavy roof (b) stacking loose bricks (c) raising heavy tanks high (d) using a light roof
19. 19.🏚️ 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 20 cm tall on a 10 cm base and tower C is 100 cm tall on a 20 cm base. Which is the easiest to tip over? (a) tower A (b) tower B (c) tower C
20. 20.🔍 Which is the odd one out? (a) stacking loose bricks (b) using flexible joints (c) leaving out steel bars (d) raising heavy tanks high
21. 21.🔍 Which is the odd one out? (a) using a heavy roof (b) fitting rubber base pads (c) making brittle joints (d) leaving out steel bars
22. 22.True or false: using flexible joints makes a building safer in earthquakes. (a) False (b) True
23. 23.Which of these makes a building less safe in earthquakes? (a) adding cross bracing (b) using flexible joints (c) fitting rubber base pads (d) stacking loose bricks
24. 24.🏚️ 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 60 cm tall on a 30 cm base and tower C is 40 cm tall on a 10 cm base. Which is the hardest to tip over? (a) tower B (b) tower C (c) tower A
25. 25.🔍 Which is the odd one out? (a) fitting rubber base pads (b) adding steel to concrete (c) leaving out steel bars (d) using flexible joints
26. 26.🏚️ 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 10 cm tall on a 10 cm base. Which is the hardest to tip over? (a) tower C (b) tower B (c) tower A
27. 27.Which of these makes a building less safe in earthquakes? (a) building tall and narrow (b) fitting rubber base pads (c) using flexible joints (d) adding steel to concrete
28. 28.True or false: using a light roof makes a building safer in earthquakes. (a) True (b) False
29. 29.🏚️ 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 180 cm tall on a 30 cm base and tower C is 200 cm tall on a 40 cm base. Which is the easiest to tip over? (a) tower C (b) tower A (c) tower B
30. 30.True or false: leaving out steel bars makes a building less safe in earthquakes. (a) True (b) False
31. 31.🏚️ 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 60 cm tall on a 30 cm base. Which is the hardest to tip over? (a) tower C (b) tower B (c) tower A
32. 32.🏚️ Why is a wide base safer? (a) it is colourful (b) it is harder to tip over (c) it is taller (d) it is lighter
33. 33.Which of these makes a building less safe in earthquakes? (a) keeping a simple shape (b) using a light roof (c) using flexible joints (d) making brittle joints
34. 34.🏚️ What do engineers use to test models of buildings for earthquakes? (a) a fridge (b) a telescope (c) a microscope (d) a shake table
35. 35.🏚️ Where should heavy water tanks go in a quake zone? (a) hanging outside (b) low down (c) on a thin pole (d) on the very top
36. 36.🔍 Which is the odd one out? (a) keeping a simple shape (b) building tall and narrow (c) having a wide base (d) adding cross bracing
37. 37.🏚️ Three solid model towers are made of the same material. Tower A is 180 cm tall on a 30 cm wide base, tower B is 160 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 B (b) tower C (c) tower A
38. 38.🏚️ Does keeping a simple shape make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
39. 39.🏚️ Three solid model towers are made of the same material. Tower A is 20 cm tall on a 20 cm wide base, tower B is 60 cm tall on a 20 cm base and tower C is 120 cm tall on a 30 cm base. Which is the hardest to tip over? (a) tower B (b) tower C (c) tower A
40. 40.🔍 Which is the odd one out? (a) adding steel to concrete (b) fitting rubber base pads (c) using flexible joints (d) stacking loose bricks

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