Engineering Worksheet: Earthquake-Safe Buildings

Engineering lesson 21: Earthquake-safe buildings · Set 285 · 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) leaving out steel bars (b) stacking loose bricks (c) using a heavy roof (d) using flexible joints
2. 2.True or false: fitting rubber base pads makes a building safer in earthquakes. (a) True (b) False
3. 3.True or false: having a wide base makes a building less safe in earthquakes. (a) False (b) True
4. 4.🏚️ Three solid model towers are made of the same material. Tower A is 200 cm tall on a 40 cm wide base, tower B is 30 cm tall on a 30 cm base and tower C is 60 cm tall on a 20 cm base. Which is the hardest to tip over? (a) tower C (b) tower B (c) tower A
5. 5.🏚️ What do engineers use to test models of buildings for earthquakes? (a) a shake table (b) a fridge (c) a microscope (d) a telescope
6. 6.🏚️ 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 10 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.🏚️ Does keeping a simple shape make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
8. 8.🔍 Which is the odd one out? (a) stacking loose bricks (b) making brittle joints (c) using a heavy roof (d) adding steel to concrete
9. 9.🏚️ Does using a light roof make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
10. 10.🏚️ 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 10 cm base and tower C is 70 cm tall on a 10 cm base. Which is the hardest to tip over? (a) tower B (b) tower C (c) tower A
11. 11.🏚️ 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 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 C (b) tower A (c) tower B
12. 12.Which of these makes a building safer in earthquakes? (a) raising heavy tanks high (b) leaving out steel bars (c) building tall and narrow (d) adding steel to concrete
13. 13.🏚️ Does using flexible joints make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
14. 14.🏚️ Why is a wide base safer? (a) it is lighter (b) it is harder to tip over (c) it is colourful (d) it is taller
15. 15.🏚️ Does making brittle joints make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
16. 16.🏚️ Three solid model towers are made of the same material. Tower A is 10 cm tall on a 10 cm wide base, tower B is 120 cm tall on a 30 cm base and tower C is 120 cm tall on a 40 cm base. Which is the easiest to tip over? (a) tower C (b) tower A (c) tower B
17. 17.🏚️ Why are flexible joints good in an earthquake? (a) they bend, not break (b) they look nice (c) they stop shaking (d) they are cheap
18. 18.🏚️ Does having a wide base make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
19. 19.🔍 Which is the odd one out? (a) leaving out steel bars (b) keeping a simple shape (c) using a heavy roof (d) making brittle joints
20. 20.🔍 Which is the odd one out? (a) stacking loose bricks (b) fitting rubber base pads (c) raising heavy tanks high (d) using a heavy roof
21. 21.🏚️ 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 120 cm tall on a 20 cm base and tower C is 120 cm tall on a 40 cm base. Which is the hardest to tip over? (a) tower C (b) tower B (c) tower A
22. 22.Which of these makes a building less safe in earthquakes? (a) adding cross bracing (b) having a wide base (c) stacking loose bricks (d) using flexible joints
23. 23.Which of these makes a building safer in earthquakes? (a) stacking loose bricks (b) raising heavy tanks high (c) keeping a simple shape (d) using a heavy roof
24. 24.🔍 Which is the odd one out? (a) raising heavy tanks high (b) using flexible joints (c) having a wide base (d) adding cross bracing
25. 25.🏚️ 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 100 cm tall on a 20 cm base and tower C is 90 cm tall on a 30 cm base. Which is the hardest to tip over? (a) tower A (b) tower C (c) tower B
26. 26.🏚️ Three solid model towers are made of the same material. Tower A is 210 cm tall on a 30 cm wide base, tower B is 50 cm tall on a 10 cm base and tower C is 120 cm tall on a 30 cm base. Which is the hardest to tip over? (a) tower C (b) tower A (c) tower B
27. 27.True or false: fitting rubber base pads makes a building less safe in earthquakes. (a) True (b) False
28. 28.True or false: using a light roof makes a building safer in earthquakes. (a) True (b) False
29. 29.🏚️ Three solid model towers are made of the same material. Tower A is 20 cm tall on a 10 cm wide base, tower B is 40 cm tall on a 10 cm base and tower C is 120 cm tall on a 20 cm base. Which is the easiest to tip over? (a) tower B (b) tower A (c) tower C
30. 30.Which of these makes a building less safe in earthquakes? (a) leaving out steel bars (b) adding cross bracing (c) having a wide base (d) keeping a simple shape
31. 31.🏚️ Does building tall and narrow make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
32. 32.🏚️ 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 160 cm tall on a 40 cm base and tower C is 20 cm tall on a 10 cm base. Which is the easiest to tip over? (a) tower A (b) tower B (c) tower C
33. 33.🔍 Which is the odd one out? (a) having a wide base (b) keeping a simple shape (c) using a light roof (d) stacking loose bricks
34. 34.True or false: stacking loose bricks makes a building safer in earthquakes. (a) True (b) False
35. 35.True or false: using a light roof makes a building less safe in earthquakes. (a) False (b) True
36. 36.Which of these makes a building safer in earthquakes? (a) stacking loose bricks (b) using flexible joints (c) raising heavy tanks high (d) making brittle joints
37. 37.🏚️ Where should heavy water tanks go in a quake zone? (a) hanging outside (b) on a thin pole (c) low down (d) on the very top
38. 38.🏚️ Three solid model towers are made of the same material. Tower A is 280 cm tall on a 40 cm wide base, tower B is 80 cm tall on a 20 cm base and tower C is 120 cm tall on a 20 cm base. Which is the easiest to tip over? (a) tower B (b) tower C (c) tower A
39. 39.🏚️ Does raising heavy tanks high 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) leaving out steel bars (b) fitting rubber base pads (c) using a light roof (d) adding cross bracing

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