Engineering Worksheet: Earthquake-Safe Buildings

Engineering lesson 21: Earthquake-safe buildings · Set 971 · 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) raising heavy tanks high (b) adding steel to concrete (c) using flexible joints (d) keeping a simple shape
2. 2.True or false: raising heavy tanks high makes a building less safe in earthquakes. (a) False (b) True
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 120 cm tall on a 40 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
4. 4.🏚️ Does using flexible joints make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
5. 5.🏚️ Does adding cross bracing make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
6. 6.🏚️ Why is a wide base safer? (a) it is taller (b) it is lighter (c) it is harder to tip over (d) it is colourful
7. 7.True or false: using flexible joints makes a building safer in earthquakes. (a) False (b) True
8. 8.🔍 Which is the odd one out? (a) using a light roof (b) adding steel to concrete (c) making brittle joints (d) fitting rubber base pads
9. 9.🔍 Which is the odd one out? (a) stacking loose bricks (b) raising heavy tanks high (c) adding steel to concrete (d) using a heavy roof
10. 10.🏚️ Does using a heavy roof make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
11. 11.🏚️ Does making brittle joints make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
12. 12.🏚️ Why are flexible joints good in an earthquake? (a) they stop shaking (b) they look nice (c) they are cheap (d) they bend, not break
13. 13.True or false: building tall and narrow makes a building less safe in earthquakes. (a) True (b) False
14. 14.True or false: having a wide base makes a building safer in earthquakes. (a) False (b) True
15. 15.Which of these makes a building less safe in earthquakes? (a) using a light roof (b) fitting rubber base pads (c) having a wide base (d) leaving out steel bars
16. 16.🏚️ 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 280 cm tall on a 40 cm base and tower C is 50 cm tall on a 10 cm base. Which is the easiest to tip over? (a) tower C (b) tower A (c) tower B
17. 17.Which of these makes a building safer in earthquakes? (a) building tall and narrow (b) raising heavy tanks high (c) using a light roof (d) leaving out steel bars
18. 18.🏚️ What do engineers use to test models of buildings for earthquakes? (a) a fridge (b) a microscope (c) a telescope (d) a shake table
19. 19.🏚️ 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 60 cm tall on a 10 cm base. Which is the easiest to tip over? (a) tower B (b) tower C (c) tower A
20. 20.True or false: using a heavy roof makes a building safer in earthquakes. (a) True (b) False
21. 21.🏚️ Does adding steel to concrete make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
22. 22.🏚️ Does leaving out steel bars make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
23. 23.🏚️ Does fitting rubber base pads make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
24. 24.🏚️ 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 70 cm tall on a 10 cm base. Which is the hardest to tip over? (a) tower C (b) tower A (c) tower B
25. 25.🏚️ 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 180 cm tall on a 30 cm base. Which is the hardest to tip over? (a) tower C (b) tower B (c) tower A
26. 26.🏚️ 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 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 C (b) tower B (c) tower A
27. 27.Which of these makes a building less safe in earthquakes? (a) making brittle joints (b) adding steel to concrete (c) having a wide base (d) keeping a simple shape
28. 28.True or false: adding steel to concrete makes a building less safe in earthquakes. (a) False (b) True
29. 29.🏚️ 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 40 cm tall on a 20 cm base and tower C is 120 cm tall on a 30 cm base. Which is the easiest to tip over? (a) tower B (b) tower A (c) tower C
30. 30.🏚️ Three solid model towers are made of the same material. Tower A is 100 cm tall on a 20 cm wide base, tower B is 30 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
31. 31.🔍 Which is the odd one out? (a) making brittle joints (b) leaving out steel bars (c) raising heavy tanks high (d) fitting rubber base pads
32. 32.True or false: leaving out steel bars makes a building less safe in earthquakes. (a) False (b) True
33. 33.Which of these makes a building less safe in earthquakes? (a) adding steel to concrete (b) building tall and narrow (c) keeping a simple shape (d) using flexible joints
34. 34.🔍 Which is the odd one out? (a) using flexible joints (b) building tall and narrow (c) leaving out steel bars (d) raising heavy tanks high
35. 35.Which of these makes a building safer in earthquakes? (a) using flexible joints (b) raising heavy tanks high (c) making brittle joints (d) using a heavy roof
36. 36.🏚️ Does using a light roof make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
37. 37.🏚️ Does having a wide base make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
38. 38.🏚️ Where should heavy water tanks go in a quake zone? (a) on the very top (b) low down (c) on a thin pole (d) hanging outside
39. 39.Which of these makes a building safer in earthquakes? (a) stacking loose bricks (b) raising heavy tanks high (c) using a heavy roof (d) keeping a simple shape
40. 40.🏚️ 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 150 cm tall on a 30 cm base. Which is the easiest to tip over? (a) tower A (b) tower B (c) tower C

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