Engineering Worksheet: Earthquake-Safe Buildings

Engineering lesson 21: Earthquake-safe buildings · Set 211 · 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.🏚️ 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
2. 2.True or false: keeping a simple shape makes a building less safe in earthquakes. (a) False (b) True
3. 3.🏚️ Does adding steel to concrete make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
4. 4.🔍 Which is the odd one out? (a) raising heavy tanks high (b) making brittle joints (c) using a heavy roof (d) using a light roof
5. 5.🏚️ Does adding cross bracing make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
6. 6.Which of these makes a building less safe in earthquakes? (a) having a wide base (b) keeping a simple shape (c) fitting rubber base pads (d) stacking loose bricks
7. 7.Which of these makes a building safer in earthquakes? (a) raising heavy tanks high (b) leaving out steel bars (c) making brittle joints (d) fitting rubber base pads
8. 8.🏚️ 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 40 cm tall on a 10 cm base and tower C is 70 cm tall on a 10 cm base. Which is the hardest to tip over? (a) tower C (b) tower A (c) tower B
9. 9.🏚️ 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 30 cm tall on a 10 cm base. Which is the hardest to tip over? (a) tower B (b) tower C (c) tower A
10. 10.🔍 Which is the odd one out? (a) adding steel to concrete (b) fitting rubber base pads (c) raising heavy tanks high (d) having a wide base
11. 11.🏚️ What do engineers use to test models of buildings for earthquakes? (a) a telescope (b) a fridge (c) a shake table (d) a microscope
12. 12.🔍 Which is the odd one out? (a) using flexible joints (b) leaving out steel bars (c) having a wide base (d) adding cross bracing
13. 13.True or false: stacking loose bricks makes a building less safe in earthquakes. (a) True (b) False
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: having a wide base makes a building less safe in earthquakes. (a) False (b) True
16. 16.Which of these makes a building less safe in earthquakes? (a) using flexible joints (b) raising heavy tanks high (c) having a wide base (d) using a light roof
17. 17.True or false: having a wide base makes a building safer in earthquakes. (a) False (b) True
18. 18.🏚️ 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 120 cm tall on a 40 cm base. Which is the hardest to tip over? (a) tower C (b) tower A (c) tower B
19. 19.🏚️ 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
20. 20.🔍 Which is the odd one out? (a) stacking loose bricks (b) fitting rubber base pads (c) building tall and narrow (d) making brittle joints
21. 21.🏚️ Does using a heavy roof make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
22. 22.Which of these makes a building safer in earthquakes? (a) using a heavy roof (b) leaving out steel bars (c) having a wide base (d) making brittle joints
23. 23.True or false: keeping a simple shape makes a building safer in earthquakes. (a) False (b) True
24. 24.🏚️ 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 150 cm tall on a 30 cm base and tower C is 70 cm tall on a 10 cm base. Which is the hardest to tip over? (a) tower C (b) tower A (c) tower B
25. 25.Which of these makes a building less safe in earthquakes? (a) adding steel to concrete (b) fitting rubber base pads (c) leaving out steel bars (d) having a wide base
26. 26.Which of these makes a building safer in earthquakes? (a) using a heavy roof (b) using flexible joints (c) making brittle joints (d) stacking loose bricks
27. 27.True or false: using flexible joints makes a building less safe in earthquakes. (a) False (b) True
28. 28.🔍 Which is the odd one out? (a) stacking loose bricks (b) using a light roof (c) having a wide base (d) keeping a simple shape
29. 29.True or false: adding cross bracing makes a building less safe in earthquakes. (a) True (b) False
30. 30.🏚️ Why are flexible joints good in an earthquake? (a) they are cheap (b) they bend, not break (c) they look nice (d) they stop shaking
31. 31.🏚️ 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 160 cm tall on a 40 cm base and tower C is 160 cm tall on a 20 cm base. Which is the easiest to tip over? (a) tower A (b) tower C (c) tower B
32. 32.True or false: using a light roof makes a building safer in earthquakes. (a) False (b) True
33. 33.Which of these makes a building safer in earthquakes? (a) using a heavy roof (b) making brittle joints (c) adding cross bracing (d) raising heavy tanks high
34. 34.🏚️ Does making brittle joints make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
35. 35.True or false: using a light roof makes a building less safe in earthquakes. (a) True (b) False
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 150 cm tall on a 30 cm wide base, tower B is 210 cm tall on a 30 cm base and tower C is 160 cm tall on a 40 cm base. Which is the hardest to tip over? (a) tower C (b) tower A (c) tower B
38. 38.🏚️ 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 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
39. 39.True or false: fitting rubber base pads makes a building less safe in earthquakes. (a) False (b) True
40. 40.True or false: using a heavy roof makes a building less safe in earthquakes. (a) True (b) False

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