Engineering Worksheet: Earthquake-Safe Buildings

Engineering lesson 21: Earthquake-safe buildings · Set 622 · 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.True or false: leaving out steel bars makes a building safer in earthquakes. (a) False (b) True
2. 2.True or false: adding steel to concrete makes a building less safe 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.🔍 Which is the odd one out? (a) using a light roof (b) adding cross bracing (c) keeping a simple shape (d) leaving out steel bars
5. 5.Which of these makes a building less safe in earthquakes? (a) fitting rubber base pads (b) using a heavy roof (c) adding cross bracing (d) having a wide base
6. 6.🏚️ Does raising heavy tanks high make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
7. 7.Which of these makes a building safer in earthquakes? (a) raising heavy tanks high (b) building tall and narrow (c) using a heavy roof (d) using flexible joints
8. 8.True or false: raising heavy tanks high makes a building safer in earthquakes. (a) False (b) True
9. 9.🏚️ Does adding steel to concrete make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
10. 10.🏚️ Does having a wide base make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
11. 11.🔍 Which is the odd one out? (a) adding cross bracing (b) stacking loose bricks (c) raising heavy tanks high (d) making brittle joints
12. 12.Which of these makes a building safer in earthquakes? (a) stacking loose bricks (b) leaving out steel bars (c) using a heavy roof (d) adding cross bracing
13. 13.🏚️ Why is a wide base safer? (a) it is lighter (b) it is taller (c) it is colourful (d) it is harder to tip over
14. 14.🏚️ Why are flexible joints good in an earthquake? (a) they look nice (b) they are cheap (c) they bend, not break (d) they stop shaking
15. 15.Which of these makes a building safer in earthquakes? (a) using a heavy roof (b) building tall and narrow (c) making brittle joints (d) adding steel to concrete
16. 16.True or false: adding cross bracing makes a building less safe in earthquakes. (a) True (b) False
17. 17.True or false: adding steel to concrete makes a building safer in earthquakes. (a) True (b) False
18. 18.True or false: building tall and narrow makes a building safer in earthquakes. (a) False (b) True
19. 19.🏚️ Does using a heavy roof make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
20. 20.🏚️ 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 30 cm tall on a 10 cm base and tower C is 160 cm tall on a 40 cm base. Which is the easiest to tip over? (a) tower B (b) tower A (c) tower C
21. 21.Which of these makes a building safer in earthquakes? (a) using a heavy roof (b) making brittle joints (c) using a light roof (d) raising heavy tanks high
22. 22.True or false: having a wide base makes a building less safe in earthquakes. (a) True (b) False
23. 23.🏚️ Three solid model towers are made of the same material. Tower A is 90 cm tall on a 30 cm wide base, tower B is 120 cm tall on a 30 cm base and tower C is 60 cm tall on a 10 cm base. Which is the hardest to tip over? (a) tower B (b) tower C (c) tower A
24. 24.🏚️ Does leaving out steel bars make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
25. 25.🔍 Which is the odd one out? (a) making brittle joints (b) leaving out steel bars (c) using a heavy roof (d) adding steel to concrete
26. 26.🏚️ Does adding cross bracing make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
27. 27.🏚️ Three solid model towers are made of the same material. Tower A is 40 cm tall on a 20 cm wide base, tower B is 90 cm tall on a 30 cm base and tower C is 150 cm tall on a 30 cm base. Which is the easiest to tip over? (a) tower C (b) tower A (c) tower B
28. 28.🏚️ Does building tall and narrow make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
29. 29.🏚️ Does stacking loose bricks make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
30. 30.🔍 Which is the odd one out? (a) having a wide base (b) fitting rubber base pads (c) stacking loose bricks (d) keeping a simple shape
31. 31.🏚️ Does making brittle joints make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
32. 32.Which of these makes a building less safe in earthquakes? (a) fitting rubber base pads (b) keeping a simple shape (c) having a wide base (d) making brittle joints
33. 33.🏚️ Does keeping a simple shape make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
34. 34.🔍 Which is the odd one out? (a) using a heavy roof (b) using flexible joints (c) adding cross bracing (d) adding steel to concrete
35. 35.Which of these makes a building safer in earthquakes? (a) making brittle joints (b) keeping a simple shape (c) raising heavy tanks high (d) building tall and narrow
36. 36.🏚️ 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 40 cm tall on a 10 cm base and tower C is 30 cm tall on a 10 cm base. Which is the easiest to tip over? (a) tower A (b) tower C (c) tower B
37. 37.🏚️ Three solid model towers are made of the same material. Tower A is 120 cm tall on a 30 cm wide base, tower B is 120 cm tall on a 20 cm base and tower C is 150 cm tall on a 30 cm base. Which is the easiest to tip over? (a) tower B (b) tower C (c) tower A
38. 38.Which of these makes a building less safe in earthquakes? (a) building tall and narrow (b) adding steel to concrete (c) using flexible joints (d) using a light roof
39. 39.True or false: keeping a simple shape makes a building less safe in earthquakes. (a) False (b) True
40. 40.🏚️ What do engineers use to test models of buildings for earthquakes? (a) a fridge (b) a telescope (c) a shake table (d) a microscope

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