Engineering Worksheet: Earthquake-Safe Buildings

Engineering lesson 21: Earthquake-safe buildings · Set 232 · 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 of these makes a building safer in earthquakes? (a) adding steel to concrete (b) stacking loose bricks (c) building tall and narrow (d) using a heavy roof
2. 2.🔍 Which is the odd one out? (a) making brittle joints (b) building tall and narrow (c) using a light roof (d) stacking loose bricks
3. 3.🔍 Which is the odd one out? (a) having a wide base (b) keeping a simple shape (c) fitting rubber base pads (d) stacking loose bricks
4. 4.🔍 Which is the odd one out? (a) keeping a simple shape (b) using flexible joints (c) using a heavy roof (d) using a light roof
5. 5.🔍 Which is the odd one out? (a) stacking loose bricks (b) using flexible joints (c) raising heavy tanks high (d) leaving out steel bars
6. 6.🏚️ Does leaving out steel bars make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
7. 7.🏚️ Why are flexible joints good in an earthquake? (a) they look nice (b) they are cheap (c) they stop shaking (d) they bend, not break
8. 8.🏚️ Where should heavy water tanks go in a quake zone? (a) hanging outside (b) low down (c) on the very top (d) on a thin pole
9. 9.🔍 Which is the odd one out? (a) keeping a simple shape (b) fitting rubber base pads (c) raising heavy tanks high (d) having a wide base
10. 10.🏚️ Does making brittle joints make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
11. 11.True or false: leaving out steel bars makes a building safer in earthquakes. (a) False (b) True
12. 12.Which of these makes a building safer in earthquakes? (a) keeping a simple shape (b) making brittle joints (c) building tall and narrow (d) using a heavy roof
13. 13.🏚️ What do engineers use to test models of buildings for earthquakes? (a) a telescope (b) a shake table (c) a microscope (d) a fridge
14. 14.🏚️ Does adding cross bracing make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
15. 15.True or false: stacking loose bricks makes a building safer in earthquakes. (a) False (b) True
16. 16.True or false: fitting rubber base pads makes a building safer in earthquakes. (a) False (b) True
17. 17.Which of these makes a building less safe in earthquakes? (a) using a light roof (b) leaving out steel bars (c) using flexible joints (d) adding cross bracing
18. 18.🏚️ Three solid model towers are made of the same material. Tower A is 40 cm tall on a 10 cm wide base, tower B is 50 cm tall on a 10 cm base and tower C is 60 cm tall on a 10 cm base. Which is the hardest to tip over? (a) tower C (b) tower B (c) tower A
19. 19.Which of these makes a building less safe in earthquakes? (a) adding steel to concrete (b) adding cross bracing (c) fitting rubber base pads (d) stacking loose bricks
20. 20.🔍 Which is the odd one out? (a) building tall and narrow (b) leaving out steel bars (c) making brittle joints (d) having a wide base
21. 21.🏚️ Does raising heavy tanks high make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
22. 22.🔍 Which is the odd one out? (a) having a wide base (b) building tall and narrow (c) adding cross bracing (d) using flexible joints
23. 23.🏚️ 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 120 cm tall on a 30 cm base and tower C is 120 cm tall on a 20 cm base. Which is the easiest to tip over? (a) tower C (b) tower A (c) tower B
24. 24.🏚️ Does adding steel to concrete make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
25. 25.Which of these makes a building safer in earthquakes? (a) using a light roof (b) stacking loose bricks (c) building tall and narrow (d) leaving out steel bars
26. 26.🏚️ Does using flexible joints make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
27. 27.Which of these makes a building less safe in earthquakes? (a) having a wide base (b) keeping a simple shape (c) using a light roof (d) raising heavy tanks high
28. 28.True or false: raising heavy tanks high makes a building safer in earthquakes. (a) True (b) False
29. 29.🏚️ Does building tall and narrow make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
30. 30.🏚️ Does stacking loose bricks make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
31. 31.🏚️ Three solid model towers are made of the same material. Tower A is 120 cm tall on a 40 cm wide base, tower B is 280 cm tall on a 40 cm base and tower C is 200 cm tall on a 40 cm base. Which is the easiest to tip over? (a) tower A (b) tower C (c) tower B
32. 32.Which of these makes a building safer in earthquakes? (a) using a heavy roof (b) stacking loose bricks (c) making brittle joints (d) fitting rubber base pads
33. 33.🔍 Which is the odd one out? (a) keeping a simple shape (b) adding cross bracing (c) leaving out steel bars (d) using a light roof
34. 34.🏚️ 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 50 cm tall on a 10 cm base and tower C is 90 cm tall on a 30 cm base. Which is the easiest to tip over? (a) tower B (b) tower C (c) tower A
35. 35.Which of these makes a building safer in earthquakes? (a) stacking loose bricks (b) leaving out steel bars (c) using a heavy roof (d) having a wide base
36. 36.🏚️ Three solid model towers are made of the same material. Tower A is 20 cm tall on a 20 cm wide base, tower B is 90 cm tall on a 30 cm base and tower C is 80 cm tall on a 40 cm base. Which is the easiest to tip over? (a) tower C (b) tower A (c) tower B
37. 37.🏚️ Does fitting rubber base pads make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
38. 38.True or false: leaving out steel bars makes a building less safe in earthquakes. (a) True (b) False
39. 39.True or false: adding steel to concrete makes a building less safe in earthquakes. (a) True (b) False
40. 40.Which of these makes a building less safe in earthquakes? (a) using a light roof (b) having a wide base (c) adding steel to concrete (d) using a heavy roof

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