Engineering Worksheet: Earthquake-Safe Buildings

Engineering lesson 21: Earthquake-safe buildings · Set 824 · 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 fridge (b) a telescope (c) a shake table (d) a microscope
2. 2.True or false: making brittle joints makes a building safer in earthquakes. (a) False (b) True
3. 3.🏚️ Does using flexible joints make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
4. 4.🏚️ Why are flexible joints good in an earthquake? (a) they are cheap (b) they stop shaking (c) they look nice (d) they bend, not break
5. 5.🔍 Which is the odd one out? (a) adding steel to concrete (b) using a heavy roof (c) adding cross bracing (d) keeping a simple shape
6. 6.Which of these makes a building less safe in earthquakes? (a) fitting rubber base pads (b) adding cross bracing (c) having a wide base (d) stacking loose bricks
7. 7.🏚️ Does stacking loose bricks make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
8. 8.🏚️ Three solid model towers are made of the same material. Tower A is 60 cm tall on a 30 cm wide base, tower B is 60 cm tall on a 20 cm base and tower C is 160 cm tall on a 40 cm base. Which is the easiest to tip over? (a) tower A (b) tower C (c) tower B
9. 9.Which of these makes a building less safe in earthquakes? (a) using a heavy roof (b) adding cross bracing (c) having a wide base (d) keeping a simple shape
10. 10.🏚️ 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 120 cm tall on a 30 cm base and tower C is 40 cm tall on a 20 cm base. Which is the easiest to tip over? (a) tower A (b) tower C (c) tower B
11. 11.True or false: building tall and narrow makes a building less safe in earthquakes. (a) True (b) False
12. 12.🏚️ Does using a light roof make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
13. 13.🏚️ Does fitting rubber base pads make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
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: keeping a simple shape makes a building safer in earthquakes. (a) False (b) True
16. 16.True or false: having a wide base makes a building safer in earthquakes. (a) True (b) False
17. 17.🏚️ Does keeping a simple shape make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
18. 18.🏚️ Three solid model towers are made of the same material. Tower A is 80 cm tall on a 40 cm wide base, tower B is 180 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 A (b) tower B (c) tower C
19. 19.🏚️ Why is a wide base safer? (a) it is harder to tip over (b) it is lighter (c) it is taller (d) it is colourful
20. 20.True or false: using a light roof makes a building less safe in earthquakes. (a) False (b) True
21. 21.Which of these makes a building safer in earthquakes? (a) raising heavy tanks high (b) making brittle joints (c) leaving out steel bars (d) having a wide base
22. 22.Which of these makes a building safer in earthquakes? (a) using a heavy roof (b) keeping a simple shape (c) making brittle joints (d) building tall and narrow
23. 23.Which of these makes a building safer in earthquakes? (a) fitting rubber base pads (b) building tall and narrow (c) using a heavy roof (d) raising heavy tanks high
24. 24.True or false: leaving out steel bars makes a building safer in earthquakes. (a) True (b) False
25. 25.True or false: using a heavy roof makes a building safer in earthquakes. (a) True (b) False
26. 26.🏚️ Does adding steel to concrete make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
27. 27.True or false: adding cross bracing makes a building less safe in earthquakes. (a) True (b) False
28. 28.🏚️ Where should heavy water tanks go in a quake zone? (a) on the very top (b) low down (c) hanging outside (d) on a thin pole
29. 29.True or false: using a light roof makes a building safer in earthquakes. (a) False (b) True
30. 30.Which of these makes a building less safe in earthquakes? (a) making brittle joints (b) using flexible joints (c) keeping a simple shape (d) fitting rubber base pads
31. 31.🔍 Which is the odd one out? (a) building tall and narrow (b) using a heavy roof (c) using flexible joints (d) leaving out steel bars
32. 32.🔍 Which is the odd one out? (a) making brittle joints (b) having a wide base (c) adding steel to concrete (d) using flexible joints
33. 33.Which of these makes a building less safe in earthquakes? (a) using a light roof (b) adding cross bracing (c) leaving out steel bars (d) fitting rubber base pads
34. 34.🏚️ Does leaving out steel bars make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
35. 35.🔍 Which is the odd one out? (a) raising heavy tanks high (b) adding steel to concrete (c) leaving out steel bars (d) building tall and narrow
36. 36.🏚️ Three solid model towers are made of the same material. Tower A is 70 cm tall on a 10 cm wide base, tower B is 160 cm tall on a 40 cm base and tower C is 100 cm tall on a 20 cm base. Which is the easiest to tip over? (a) tower B (b) tower A (c) tower C
37. 37.True or false: adding cross bracing makes a building safer in earthquakes. (a) True (b) False
38. 38.🏚️ Does making brittle joints make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
39. 39.True or false: using flexible joints makes a building safer in earthquakes. (a) False (b) True
40. 40.🏚️ Does having a wide base make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes

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