Engineering Worksheet: Earthquake-Safe Buildings

Engineering lesson 21: Earthquake-safe buildings · Set 457 · 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.🏚️ Does having a wide base make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
2. 2.True or false: using a light roof makes a building safer in earthquakes. (a) True (b) False
3. 3.Which of these makes a building less safe in earthquakes? (a) fitting rubber base pads (b) using a light roof (c) adding cross bracing (d) stacking loose bricks
4. 4.🏚️ Does building tall and narrow make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
5. 5.Which of these makes a building less safe in earthquakes? (a) leaving out steel bars (b) adding steel to concrete (c) using a light roof (d) keeping a simple shape
6. 6.Which of these makes a building safer in earthquakes? (a) building tall and narrow (b) stacking loose bricks (c) raising heavy tanks high (d) having a wide base
7. 7.True or false: using flexible joints makes a building less safe in earthquakes. (a) False (b) True
8. 8.🏚️ 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 150 cm tall on a 30 cm base and tower C is 180 cm tall on a 30 cm base. Which is the hardest to tip over? (a) tower A (b) tower B (c) tower C
9. 9.True or false: making brittle joints makes a building safer in earthquakes. (a) False (b) True
10. 10.Which of these makes a building safer in earthquakes? (a) raising heavy tanks high (b) fitting rubber base pads (c) making brittle joints (d) stacking loose bricks
11. 11.Which of these makes a building less safe in earthquakes? (a) making brittle joints (b) fitting rubber base pads (c) using a light roof (d) keeping a simple shape
12. 12.🔍 Which is the odd one out? (a) keeping a simple shape (b) having a wide base (c) stacking loose bricks (d) adding steel to concrete
13. 13.🏚️ What do engineers use to test models of buildings for earthquakes? (a) a microscope (b) a telescope (c) a shake table (d) a fridge
14. 14.🏚️ Does using flexible joints make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
15. 15.True or false: using a light roof makes a building less safe in earthquakes. (a) True (b) False
16. 16.🏚️ Does adding cross bracing make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
17. 17.🔍 Which is the odd one out? (a) leaving out steel bars (b) making brittle joints (c) using flexible joints (d) raising heavy tanks high
18. 18.🏚️ 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 70 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 B (b) tower C (c) tower A
19. 19.True or false: adding cross bracing makes a building less safe in earthquakes. (a) True (b) False
20. 20.True or false: keeping a simple shape makes a building less safe in earthquakes. (a) True (b) False
21. 21.🔍 Which is the odd one out? (a) using a light roof (b) keeping a simple shape (c) having a wide base (d) leaving out steel bars
22. 22.🔍 Which is the odd one out? (a) making brittle joints (b) stacking loose bricks (c) leaving out steel bars (d) keeping a simple shape
23. 23.Which of these makes a building safer in earthquakes? (a) building tall and narrow (b) adding steel to concrete (c) raising heavy tanks high (d) leaving out steel bars
24. 24.🔍 Which is the odd one out? (a) using a heavy roof (b) making brittle joints (c) leaving out steel bars (d) adding cross bracing
25. 25.🏚️ Does keeping a simple shape make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
26. 26.🏚️ 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 60 cm tall on a 20 cm base and tower C is 10 cm tall on a 10 cm base. Which is the easiest to tip over? (a) tower C (b) tower A (c) tower B
27. 27.🏚️ Why are flexible joints good in an earthquake? (a) they are cheap (b) they bend, not break (c) they stop shaking (d) they look nice
28. 28.Which of these makes a building safer in earthquakes? (a) using a heavy roof (b) stacking loose bricks (c) using flexible joints (d) building tall and narrow
29. 29.Which of these makes a building less safe in earthquakes? (a) having a wide base (b) using a light roof (c) raising heavy tanks high (d) using flexible joints
30. 30.🔍 Which is the odd one out? (a) building tall and narrow (b) using a heavy roof (c) raising heavy tanks high (d) fitting rubber base pads
31. 31.🏚️ Why is a wide base safer? (a) it is lighter (b) it is colourful (c) it is taller (d) it is harder to tip over
32. 32.🏚️ Where should heavy water tanks go in a quake zone? (a) on a thin pole (b) hanging outside (c) low down (d) on the very top
33. 33.Which of these makes a building less safe in earthquakes? (a) fitting rubber base pads (b) keeping a simple shape (c) having a wide base (d) using a heavy roof
34. 34.🔍 Which is the odd one out? (a) building tall and narrow (b) stacking loose bricks (c) making brittle joints (d) having a wide base
35. 35.🏚️ 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 20 cm tall on a 10 cm base and tower C is 120 cm tall on a 40 cm base. Which is the easiest to tip over? (a) tower A (b) tower C (c) tower B
36. 36.🔍 Which is the odd one out? (a) fitting rubber base pads (b) building tall and narrow (c) using a light roof (d) using flexible joints
37. 37.🏚️ Three solid model towers are made of the same material. Tower A is 40 cm tall on a 20 cm wide base, tower B is 120 cm tall on a 30 cm base and tower C is 30 cm tall on a 10 cm base. Which is the hardest to tip over? (a) tower A (b) tower C (c) tower B
38. 38.Which of these makes a building safer in earthquakes? (a) making brittle joints (b) raising heavy tanks high (c) keeping a simple shape (d) leaving out steel bars
39. 39.True or false: fitting rubber base pads makes a building safer in earthquakes. (a) False (b) True
40. 40.🏚️ 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 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

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