Engineering Worksheet: Earthquake-Safe Buildings

Engineering lesson 21: Earthquake-safe buildings · Set 550 · 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.🏚️ Why is a wide base safer? (a) it is lighter (b) it is taller (c) it is harder to tip over (d) it is colourful
2. 2.🏚️ Where should heavy water tanks go in a quake zone? (a) hanging outside (b) on a thin pole (c) on the very top (d) low down
3. 3.🔍 Which is the odd one out? (a) adding steel to concrete (b) building tall and narrow (c) raising heavy tanks high (d) stacking loose bricks
4. 4.True or false: using a light roof makes a building less safe in earthquakes. (a) False (b) True
5. 5.True or false: using flexible joints makes a building less safe in earthquakes. (a) True (b) False
6. 6.🏚️ Three solid model towers are made of the same material. Tower A is 30 cm tall on a 30 cm wide base, tower B is 60 cm tall on a 30 cm base and tower C is 80 cm tall on a 20 cm base. Which is the hardest to tip over? (a) tower C (b) tower B (c) tower A
7. 7.True or false: adding steel to concrete makes a building safer in earthquakes. (a) True (b) False
8. 8.True or false: raising heavy tanks high makes a building safer in earthquakes. (a) True (b) False
9. 9.🏚️ Does fitting rubber base pads make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
10. 10.🔍 Which is the odd one out? (a) using a heavy roof (b) leaving out steel bars (c) fitting rubber base pads (d) making brittle joints
11. 11.Which of these makes a building less safe in earthquakes? (a) using a light roof (b) using a heavy roof (c) keeping a simple shape (d) fitting rubber base pads
12. 12.True or false: using a light roof makes a building safer in earthquakes. (a) False (b) True
13. 13.🏚️ Does using a light roof make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
14. 14.🏚️ Does adding steel to concrete make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
15. 15.Which of these makes a building safer in earthquakes? (a) raising heavy tanks high (b) stacking loose bricks (c) leaving out steel bars (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.🏚️ Why are flexible joints good in an earthquake? (a) they stop shaking (b) they are cheap (c) they look nice (d) they bend, not break
18. 18.🔍 Which is the odd one out? (a) stacking loose bricks (b) having a wide base (c) adding steel to concrete (d) keeping a simple shape
19. 19.🔍 Which is the odd one out? (a) raising heavy tanks high (b) using a light roof (c) using a heavy roof (d) leaving out steel bars
20. 20.🏚️ Does using flexible joints make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
21. 21.True or false: making brittle joints makes a building safer in earthquakes. (a) False (b) True
22. 22.🏚️ Does adding cross bracing make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
23. 23.🏚️ Does stacking loose bricks make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
24. 24.True or false: stacking loose bricks makes a building safer in earthquakes. (a) True (b) False
25. 25.🏚️ 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 60 cm tall on a 20 cm base and tower C is 40 cm tall on a 40 cm base. Which is the easiest to tip over? (a) tower C (b) tower B (c) tower A
26. 26.🏚️ Does raising heavy tanks high make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
27. 27.True or false: using a heavy roof makes a building safer in earthquakes. (a) True (b) False
28. 28.🏚️ Three solid model towers are made of the same material. Tower A is 30 cm tall on a 30 cm wide base, tower B is 60 cm tall on a 20 cm base and tower C is 40 cm tall on a 10 cm base. Which is the easiest to tip over? (a) tower B (b) tower A (c) tower C
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.Which of these makes a building safer in earthquakes? (a) leaving out steel bars (b) using a heavy roof (c) having a wide base (d) making brittle joints
31. 31.🔍 Which is the odd one out? (a) adding cross bracing (b) using a light roof (c) using a heavy roof (d) having a wide base
32. 32.Which of these makes a building safer in earthquakes? (a) raising heavy tanks high (b) stacking loose bricks (c) making brittle joints (d) using flexible joints
33. 33.🏚️ Does having a wide base make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
34. 34.Which of these makes a building safer in earthquakes? (a) building tall and narrow (b) stacking loose bricks (c) using a light roof (d) using a heavy roof
35. 35.🔍 Which is the odd one out? (a) keeping a simple shape (b) raising heavy tanks high (c) having a wide base (d) using a light roof
36. 36.🏚️ Does building tall and narrow make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
37. 37.🏚️ 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 100 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 A (c) tower B
38. 38.Which of these makes a building less safe in earthquakes? (a) keeping a simple shape (b) raising heavy tanks high (c) fitting rubber base pads (d) having a wide base
39. 39.🔍 Which is the odd one out? (a) fitting rubber base pads (b) adding cross bracing (c) having a wide base (d) leaving out steel bars
40. 40.True or false: having a wide base makes a building less safe in earthquakes. (a) True (b) False

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