Engineering Worksheet: Earthquake-Safe Buildings

Engineering lesson 21: Earthquake-safe buildings · Set 932 · 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) fitting rubber base pads (b) using flexible joints (c) keeping a simple shape (d) stacking loose bricks
2. 2.🏚️ 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 easiest to tip over? (a) tower C (b) tower B (c) tower A
3. 3.🏚️ Three solid model towers are made of the same material. Tower A is 160 cm tall on a 40 cm wide base, tower B is 240 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 C (c) tower A
4. 4.🏚️ Does adding cross bracing make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
5. 5.🏚️ Does using flexible joints make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
6. 6.True or false: using a heavy roof makes a building safer in earthquakes. (a) False (b) True
7. 7.🏚️ Three solid model towers are made of the same material. Tower A is 160 cm tall on a 40 cm wide base, tower B is 280 cm tall on a 40 cm base and tower C is 150 cm tall on a 30 cm base. Which is the hardest to tip over? (a) tower B (b) tower A (c) tower C
8. 8.🏚️ Does using a light roof make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
9. 9.🏚️ Does having a wide base make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
10. 10.Which of these makes a building safer in earthquakes? (a) leaving out steel bars (b) using a heavy roof (c) fitting rubber base pads (d) stacking loose bricks
11. 11.🔍 Which is the odd one out? (a) leaving out steel bars (b) using a light roof (c) stacking loose bricks (d) making brittle joints
12. 12.Which of these makes a building less safe in earthquakes? (a) fitting rubber base pads (b) adding steel to concrete (c) having a wide base (d) using a heavy roof
13. 13.Which of these makes a building safer in earthquakes? (a) keeping a simple shape (b) stacking loose bricks (c) leaving out steel bars (d) making brittle joints
14. 14.Which of these makes a building less safe in earthquakes? (a) raising heavy tanks high (b) adding cross bracing (c) using flexible joints (d) having a wide base
15. 15.🏚️ 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
16. 16.🏚️ Three solid model towers are made of the same material. Tower A is 30 cm tall on a 10 cm wide base, tower B is 40 cm tall on a 10 cm base and tower C is 30 cm tall on a 30 cm base. Which is the easiest to tip over? (a) tower A (b) tower B (c) tower C
17. 17.🏚️ Three solid model towers are made of the same material. Tower A is 30 cm tall on a 10 cm wide base, tower B is 70 cm tall on a 10 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 B (c) tower A
18. 18.Which of these makes a building less safe in earthquakes? (a) having a wide base (b) stacking loose bricks (c) using a light roof (d) fitting rubber base pads
19. 19.True or false: using flexible joints makes a building less safe in earthquakes. (a) False (b) True
20. 20.🏚️ Three solid model towers are made of the same material. Tower A is 120 cm tall on a 20 cm wide base, tower B is 40 cm tall on a 10 cm base and tower C is 100 cm tall on a 20 cm base. Which is the easiest to tip over? (a) tower C (b) tower B (c) tower A
21. 21.True or false: leaving out steel bars makes a building safer in earthquakes. (a) False (b) True
22. 22.Which of these makes a building less safe in earthquakes? (a) building tall and narrow (b) adding cross bracing (c) keeping a simple shape (d) having a wide base
23. 23.True or false: having a wide base makes a building less safe in earthquakes. (a) True (b) False
24. 24.🏚️ Does using a heavy roof make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
25. 25.🔍 Which is the odd one out? (a) stacking loose bricks (b) keeping a simple shape (c) raising heavy tanks high (d) using a heavy roof
26. 26.Which of these makes a building less safe in earthquakes? (a) using a light roof (b) leaving out steel bars (c) fitting rubber base pads (d) using flexible joints
27. 27.True or false: using flexible joints makes a building safer in earthquakes. (a) False (b) True
28. 28.True or false: having a wide base makes a building safer in earthquakes. (a) True (b) False
29. 29.🏚️ Does leaving out steel bars make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
30. 30.True or false: stacking loose bricks makes a building safer in earthquakes. (a) True (b) False
31. 31.🏚️ Does adding steel to concrete make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
32. 32.🔍 Which is the odd one out? (a) leaving out steel bars (b) using a heavy roof (c) adding steel to concrete (d) making brittle joints
33. 33.🏚️ Does keeping a simple shape make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
34. 34.🔍 Which is the odd one out? (a) using a light roof (b) leaving out steel bars (c) fitting rubber base pads (d) adding steel to concrete
35. 35.🏚️ Does stacking loose bricks make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
36. 36.True or false: using a light roof makes a building less safe in earthquakes. (a) False (b) True
37. 37.Which of these makes a building safer in earthquakes? (a) adding steel to concrete (b) building tall and narrow (c) raising heavy tanks high (d) using a heavy roof
38. 38.🔍 Which is the odd one out? (a) stacking loose bricks (b) having a wide base (c) using a heavy roof (d) leaving out steel bars
39. 39.🏚️ 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 60 cm tall on a 30 cm base and tower C is 40 cm tall on a 40 cm base. Which is the easiest to tip over? (a) tower B (b) tower A (c) tower C
40. 40.🔍 Which is the odd one out? (a) making brittle joints (b) leaving out steel bars (c) adding cross bracing (d) using a heavy roof

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