Engineering Worksheet: Earthquake-Safe Buildings

Engineering lesson 21: Earthquake-safe buildings · Set 148 · 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) keeping a simple shape (b) adding steel to concrete (c) using a heavy roof (d) having a wide base
2. 2.True or false: adding cross bracing makes a building less safe in earthquakes. (a) True (b) False
3. 3.True or false: having a wide base makes a building less safe in earthquakes. (a) False (b) True
4. 4.Which of these makes a building safer in earthquakes? (a) using flexible joints (b) using a heavy roof (c) leaving out steel bars (d) building tall and narrow
5. 5.🏚️ 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
6. 6.🏚️ Three solid model towers are made of the same material. Tower A is 30 cm tall on a 30 cm wide base, tower B is 20 cm tall on a 10 cm base and tower C is 60 cm tall on a 20 cm base. Which is the hardest to tip over? (a) tower A (b) tower B (c) tower C
7. 7.🏚️ Where should heavy water tanks go in a quake zone? (a) on the very top (b) hanging outside (c) low down (d) on a thin pole
8. 8.True or false: stacking loose bricks makes a building safer in earthquakes. (a) True (b) False
9. 9.🏚️ Three solid model towers are made of the same material. Tower A is 210 cm tall on a 30 cm wide base, tower B is 100 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 A (b) tower B (c) tower C
10. 10.Which of these makes a building less safe in earthquakes? (a) having a wide base (b) stacking loose bricks (c) using flexible joints (d) using a light roof
11. 11.🏚️ Three solid model towers are made of the same material. Tower A is 60 cm tall on a 10 cm wide base, tower B is 40 cm tall on a 10 cm base and tower C is 200 cm tall on a 40 cm base. Which is the hardest to tip over? (a) tower C (b) tower B (c) tower A
12. 12.🔍 Which is the odd one out? (a) raising heavy tanks high (b) using a heavy roof (c) adding cross bracing (d) building tall and narrow
13. 13.🏚️ Does using a light roof make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
14. 14.🏚️ What do engineers use to test models of buildings for earthquakes? (a) a microscope (b) a telescope (c) a shake table (d) a fridge
15. 15.🏚️ Does keeping a simple shape make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
16. 16.🔍 Which is the odd one out? (a) making brittle joints (b) keeping a simple shape (c) having a wide base (d) using a light roof
17. 17.Which of these makes a building safer in earthquakes? (a) using a heavy roof (b) making brittle joints (c) fitting rubber base pads (d) raising heavy tanks high
18. 18.Which of these makes a building safer in earthquakes? (a) building tall and narrow (b) adding cross bracing (c) stacking loose bricks (d) using a heavy roof
19. 19.🏚️ Three solid model towers are made of the same material. Tower A is 210 cm tall on a 30 cm wide base, tower B is 120 cm tall on a 20 cm base and tower C is 40 cm tall on a 10 cm base. Which is the hardest to tip over? (a) tower C (b) tower B (c) tower A
20. 20.🔍 Which is the odd one out? (a) adding cross bracing (b) keeping a simple shape (c) using flexible joints (d) stacking loose bricks
21. 21.🔍 Which is the odd one out? (a) leaving out steel bars (b) fitting rubber base pads (c) stacking loose bricks (d) raising heavy tanks high
22. 22.🏚️ Does adding cross bracing make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
23. 23.🏚️ Does adding steel to concrete make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
24. 24.🔍 Which is the odd one out? (a) keeping a simple shape (b) making brittle joints (c) leaving out steel bars (d) building tall and narrow
25. 25.True or false: building tall and narrow makes a building less safe in earthquakes. (a) True (b) False
26. 26.🔍 Which is the odd one out? (a) having a wide base (b) raising heavy tanks high (c) using a heavy roof (d) making brittle joints
27. 27.🏚️ Three solid model towers are made of the same material. Tower A is 30 cm tall on a 30 cm wide base, tower B is 80 cm tall on a 40 cm base and tower C is 120 cm tall on a 40 cm base. Which is the hardest to tip over? (a) tower A (b) tower C (c) tower B
28. 28.🏚️ Three solid model towers are made of the same material. Tower A is 80 cm tall on a 20 cm wide base, tower B is 40 cm tall on a 40 cm base and tower C is 60 cm tall on a 20 cm base. Which is the easiest to tip over? (a) tower B (b) tower C (c) tower A
29. 29.🏚️ 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 20 cm tall on a 20 cm base and tower C is 100 cm tall on a 20 cm base. Which is the hardest to tip over? (a) tower C (b) tower A (c) tower B
30. 30.🏚️ Does making brittle joints make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
31. 31.🏚️ Why are flexible joints good in an earthquake? (a) they bend, not break (b) they are cheap (c) they stop shaking (d) they look nice
32. 32.🏚️ Does building tall and narrow make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
33. 33.🔍 Which is the odd one out? (a) stacking loose bricks (b) raising heavy tanks high (c) using flexible joints (d) using a heavy roof
34. 34.🏚️ 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 40 cm tall on a 10 cm base and tower C is 50 cm tall on a 10 cm base. Which is the easiest to tip over? (a) tower A (b) tower B (c) tower C
35. 35.Which of these makes a building less safe in earthquakes? (a) having a wide base (b) adding steel to concrete (c) using flexible joints (d) making brittle joints
36. 36.True or false: adding cross bracing 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 20 cm tall on a 10 cm wide base, tower B is 160 cm tall on a 40 cm base and tower C is 180 cm tall on a 30 cm base. Which is the hardest to tip over? (a) tower C (b) tower A (c) tower B
38. 38.True or false: keeping a simple shape makes a building safer in earthquakes. (a) True (b) False
39. 39.🏚️ Does using flexible joints make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
40. 40.True or false: using a heavy roof makes a building safer in earthquakes. (a) True (b) False

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