Engineering Worksheet: Earthquake-Safe Buildings

Engineering lesson 21: Earthquake-safe buildings · Set 574 · 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 adding cross bracing make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
2. 2.🔍 Which is the odd one out? (a) using a light roof (b) adding steel to concrete (c) using a heavy roof (d) having a wide base
3. 3.True or false: leaving out steel bars makes a building safer in earthquakes. (a) False (b) True
4. 4.🏚️ What do engineers use to test models of buildings for earthquakes? (a) a fridge (b) a microscope (c) a shake table (d) a telescope
5. 5.🏚️ Does building tall and narrow make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
6. 6.🏚️ 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 30 cm tall on a 10 cm base and tower C is 120 cm tall on a 30 cm base. Which is the easiest to tip over? (a) tower A (b) tower B (c) tower C
7. 7.Which of these makes a building less safe in earthquakes? (a) using a light roof (b) fitting rubber base pads (c) building tall and narrow (d) adding steel to concrete
8. 8.🏚️ Does fitting rubber base pads make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
9. 9.Which of these makes a building safer in earthquakes? (a) building tall and narrow (b) making brittle joints (c) stacking loose bricks (d) keeping a simple shape
10. 10.True or false: adding cross bracing makes a building safer in earthquakes. (a) True (b) False
11. 11.🔍 Which is the odd one out? (a) building tall and narrow (b) keeping a simple shape (c) stacking loose bricks (d) raising heavy tanks high
12. 12.🔍 Which is the odd one out? (a) raising heavy tanks high (b) having a wide base (c) adding cross bracing (d) using a light roof
13. 13.🏚️ 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 10 cm tall on a 10 cm base and tower C is 40 cm tall on a 10 cm base. Which is the easiest to tip over? (a) tower A (b) tower C (c) tower B
14. 14.🔍 Which is the odd one out? (a) raising heavy tanks high (b) using a heavy roof (c) leaving out steel bars (d) having a wide base
15. 15.🔍 Which is the odd one out? (a) keeping a simple shape (b) adding cross bracing (c) building tall and narrow (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.True or false: raising heavy tanks high makes a building safer in earthquakes. (a) False (b) True
18. 18.🏚️ Does making brittle joints make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
19. 19.True or false: keeping a simple shape makes a building safer in earthquakes. (a) True (b) False
20. 20.🏚️ 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 40 cm tall on a 40 cm base and tower C is 80 cm tall on a 40 cm base. Which is the easiest to tip over? (a) tower A (b) tower B (c) tower C
21. 21.🏚️ Does adding steel to concrete make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
22. 22.Which of these makes a building safer in earthquakes? (a) stacking loose bricks (b) leaving out steel bars (c) using flexible joints (d) building tall and narrow
23. 23.🏚️ Why is a wide base safer? (a) it is colourful (b) it is lighter (c) it is taller (d) it is harder to tip over
24. 24.True or false: using a heavy roof makes a building safer in earthquakes. (a) True (b) False
25. 25.Which of these makes a building less safe in earthquakes? (a) using flexible joints (b) leaving out steel bars (c) keeping a simple shape (d) adding steel to concrete
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 120 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 A (b) tower B (c) tower C
27. 27.🏚️ Does leaving out steel bars make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
28. 28.True or false: using a heavy roof makes a building less safe in earthquakes. (a) False (b) True
29. 29.Which of these makes a building safer in earthquakes? (a) making brittle joints (b) raising heavy tanks high (c) stacking loose bricks (d) adding cross bracing
30. 30.🏚️ Does using a light roof make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
31. 31.🏚️ Three solid model towers are made of the same material. Tower A is 120 cm tall on a 30 cm wide base, tower B is 30 cm tall on a 10 cm base and tower C is 20 cm tall on a 20 cm base. Which is the hardest to tip over? (a) tower B (b) tower A (c) tower C
32. 32.🔍 Which is the odd one out? (a) using a light roof (b) having a wide base (c) stacking loose bricks (d) keeping a simple shape
33. 33.True or false: adding steel to concrete makes a building less safe in earthquakes. (a) False (b) True
34. 34.True or false: using a light roof makes a building less safe in earthquakes. (a) True (b) False
35. 35.Which of these makes a building less safe in earthquakes? (a) adding cross bracing (b) fitting rubber base pads (c) using flexible joints (d) stacking loose bricks
36. 36.Which of these makes a building safer in earthquakes? (a) stacking loose bricks (b) raising heavy tanks high (c) adding steel to concrete (d) leaving out steel bars
37. 37.🏚️ Does raising heavy tanks high make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
38. 38.True or false: using flexible joints makes a building less safe in earthquakes. (a) False (b) True
39. 39.🔍 Which is the odd one out? (a) building tall and narrow (b) leaving out steel bars (c) using a light roof (d) making brittle joints
40. 40.🔍 Which is the odd one out? (a) raising heavy tanks high (b) making brittle joints (c) using a heavy roof (d) fitting rubber base pads

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