Engineering Worksheet: Earthquake-Safe Buildings

Engineering lesson 21: Earthquake-safe buildings · Set 97 · 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.🏚️ What do engineers use to test models of buildings for earthquakes? (a) a microscope (b) a shake table (c) a telescope (d) a fridge
2. 2.🏚️ 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 30 cm tall on a 30 cm base and tower C is 120 cm tall on a 30 cm base. Which is the easiest to tip over? (a) tower B (b) tower C (c) tower A
3. 3.True or false: raising heavy tanks high makes a building safer in earthquakes. (a) False (b) True
4. 4.🏚️ Does using a heavy roof make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
5. 5.Which of these makes a building safer in earthquakes? (a) raising heavy tanks high (b) stacking loose bricks (c) making brittle joints (d) adding steel to concrete
6. 6.True or false: adding cross bracing makes a building less safe in earthquakes. (a) True (b) False
7. 7.🏚️ Three solid model towers are made of the same material. Tower A is 240 cm tall on a 40 cm wide base, tower B is 280 cm tall on a 40 cm base and tower C is 120 cm tall on a 30 cm base. Which is the easiest to tip over? (a) tower C (b) tower A (c) tower B
8. 8.Which of these makes a building safer in earthquakes? (a) making brittle joints (b) leaving out steel bars (c) adding cross bracing (d) building tall and narrow
9. 9.True or false: fitting rubber base pads makes a building safer in earthquakes. (a) False (b) True
10. 10.Which of these makes a building less safe in earthquakes? (a) fitting rubber base pads (b) having a wide base (c) using a light roof (d) building tall and narrow
11. 11.Which of these makes a building safer in earthquakes? (a) keeping a simple shape (b) using a heavy roof (c) raising heavy tanks high (d) building tall and narrow
12. 12.🏚️ Why are flexible joints good in an earthquake? (a) they stop shaking (b) they look nice (c) they bend, not break (d) they are cheap
13. 13.🏚️ Does fitting rubber base pads make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
14. 14.🏚️ 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 80 cm tall on a 40 cm base. Which is the hardest to tip over? (a) tower A (b) tower B (c) tower C
15. 15.🔍 Which is the odd one out? (a) making brittle joints (b) having a wide base (c) keeping a simple shape (d) fitting rubber base pads
16. 16.True or false: having a wide base makes a building safer in earthquakes. (a) True (b) False
17. 17.Which of these makes a building less safe in earthquakes? (a) having a wide base (b) leaving out steel bars (c) keeping a simple shape (d) adding steel to concrete
18. 18.🏚️ Does using a light roof make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
19. 19.🏚️ Does adding steel to concrete make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
20. 20.🔍 Which is the odd one out? (a) adding cross bracing (b) making brittle joints (c) raising heavy tanks high (d) building tall and narrow
21. 21.True or false: making brittle joints makes a building less safe in earthquakes. (a) True (b) False
22. 22.True or false: making brittle joints makes a building safer in earthquakes. (a) False (b) True
23. 23.🏚️ Why is a wide base safer? (a) it is colourful (b) it is lighter (c) it is harder to tip over (d) it is taller
24. 24.Which of these makes a building less safe in earthquakes? (a) using a light roof (b) having a wide base (c) adding cross bracing (d) making brittle joints
25. 25.🏚️ Does building tall and narrow make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
26. 26.🔍 Which is the odd one out? (a) using a heavy roof (b) adding cross bracing (c) having a wide base (d) using flexible joints
27. 27.🔍 Which is the odd one out? (a) using a heavy roof (b) stacking loose bricks (c) adding steel to concrete (d) building tall and narrow
28. 28.True or false: adding cross bracing makes a building safer in earthquakes. (a) False (b) True
29. 29.Which of these makes a building safer in earthquakes? (a) raising heavy tanks high (b) having a wide base (c) building tall and narrow (d) using a heavy roof
30. 30.🏚️ Does making brittle joints make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
31. 31.Which of these makes a building safer in earthquakes? (a) building tall and narrow (b) leaving out steel bars (c) using flexible joints (d) stacking loose bricks
32. 32.🔍 Which is the odd one out? (a) adding cross bracing (b) raising heavy tanks high (c) keeping a simple shape (d) using a light roof
33. 33.🔍 Which is the odd one out? (a) stacking loose bricks (b) building tall and narrow (c) keeping a simple shape (d) raising heavy tanks high
34. 34.🏚️ Does keeping a simple shape make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
35. 35.Which of these makes a building less safe in earthquakes? (a) stacking loose bricks (b) using flexible joints (c) fitting rubber base pads (d) adding steel to concrete
36. 36.🏚️ Three solid model towers are made of the same material. Tower A is 240 cm tall on a 40 cm wide base, tower B is 100 cm tall on a 20 cm base and tower C is 80 cm tall on a 20 cm base. Which is the hardest to tip over? (a) tower A (b) tower B (c) tower C
37. 37.🔍 Which is the odd one out? (a) fitting rubber base pads (b) using a light roof (c) adding steel to concrete (d) building tall and narrow
38. 38.Which of these makes a building safer in earthquakes? (a) building tall and narrow (b) leaving out steel bars (c) using a heavy roof (d) fitting rubber base pads
39. 39.🏚️ Does stacking loose bricks make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
40. 40.🔍 Which is the odd one out? (a) building tall and narrow (b) using a heavy roof (c) making brittle joints (d) using a light roof

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