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Engineering Worksheet: Earthquake-Safe Buildings

Engineering lesson 21: Earthquake-safe buildings · Set 987 · 40 questions
TalentJR

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.

NameDateTime takenScore ___ / 40
  1. 1.🔍 Which is the odd one out? (a) stacking loose bricks (b) fitting rubber base pads (c) adding cross bracing (d) having a wide base
  2. 2.True or false: raising heavy tanks high makes a building safer in earthquakes. (a) True (b) False
  3. 3.Which of these makes a building less safe in earthquakes? (a) adding cross bracing (b) using a light roof (c) leaving out steel bars (d) having a wide base
  4. 4.True or false: having a wide base makes a building less safe in earthquakes. (a) True (b) False
  5. 5.True or false: fitting rubber base pads makes a building less safe in earthquakes. (a) True (b) False
  6. 6.🔍 Which is the odd one out? (a) keeping a simple shape (b) having a wide base (c) using a heavy roof (d) fitting rubber base pads
  7. 7.🏚️ Does adding steel to concrete make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
  8. 8.🏚️ Does building tall and narrow make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
  9. 9.🔍 Which is the odd one out? (a) leaving out steel bars (b) using a light roof (c) having a wide base (d) using flexible joints
  10. 10.🔍 Which is the odd one out? (a) raising heavy tanks high (b) having a wide base (c) using flexible joints (d) adding cross bracing
  11. 11.True or false: adding steel to concrete makes a building less safe in earthquakes. (a) False (b) True
  12. 12.🏚️ Does having a wide base make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
  13. 13.🏚️ Does raising heavy tanks high make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
  14. 14.Which of these makes a building less safe in earthquakes? (a) raising heavy tanks high (b) having a wide base (c) adding cross bracing (d) using a light roof
  15. 15.True or false: leaving out steel bars makes a building less safe in earthquakes. (a) False (b) True
  16. 16.Which of these makes a building safer in earthquakes? (a) leaving out steel bars (b) stacking loose bricks (c) using a light roof (d) raising heavy tanks high
  17. 17.🏚️ Does keeping a simple shape make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
  18. 18.Which of these makes a building safer in earthquakes? (a) building tall and narrow (b) stacking loose bricks (c) making brittle joints (d) using flexible joints
  19. 19.Which of these makes a building less safe in earthquakes? (a) stacking loose bricks (b) using flexible joints (c) using a light roof (d) adding steel to concrete
  20. 20.🏚️ 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 120 cm tall on a 30 cm base and tower C is 50 cm tall on a 10 cm base. Which is the hardest to tip over? (a) tower A (b) tower B (c) tower C
  21. 21.🔍 Which is the odd one out? (a) leaving out steel bars (b) using a heavy roof (c) building tall and narrow (d) using flexible joints
  22. 22.🏚️ Does using a light roof make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
  23. 23.🏚️ What do engineers use to test models of buildings for earthquakes? (a) a telescope (b) a shake table (c) a fridge (d) a microscope
  24. 24.🏚️ Where should heavy water tanks go in a quake zone? (a) hanging outside (b) on the very top (c) low down (d) on a thin pole
  25. 25.True or false: making brittle joints makes a building safer in earthquakes. (a) False (b) True
  26. 26.True or false: adding steel to concrete makes a building safer in earthquakes. (a) False (b) True
  27. 27.Which of these makes a building safer in earthquakes? (a) raising heavy tanks high (b) having a wide base (c) using a heavy roof (d) making brittle joints
  28. 28.True or false: making brittle joints makes a building less safe in earthquakes. (a) False (b) True
  29. 29.🏚️ Does fitting rubber base pads make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
  30. 30.Which of these makes a building safer in earthquakes? (a) adding cross bracing (b) stacking loose bricks (c) making brittle joints (d) using a heavy roof
  31. 31.🏚️ 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 120 cm tall on a 40 cm base and tower C is 80 cm tall on a 20 cm base. Which is the hardest to tip over? (a) tower A (b) tower C (c) tower B
  32. 32.🔍 Which is the odd one out? (a) keeping a simple shape (b) making brittle joints (c) leaving out steel bars (d) stacking loose bricks
  33. 33.🏚️ Three solid model towers are made of the same material. Tower A is 120 cm tall on a 20 cm wide base, tower B is 40 cm tall on a 10 cm base and tower C is 60 cm tall on a 30 cm base. Which is the easiest to tip over? (a) tower A (b) tower C (c) tower B
  34. 34.🏚️ Three solid model towers are made of the same material. Tower A is 120 cm tall on a 20 cm wide base, tower B is 30 cm tall on a 10 cm base and tower C is 200 cm tall on a 40 cm base. Which is the easiest to tip over? (a) tower B (b) tower A (c) tower C
  35. 35.🏚️ Does stacking loose bricks make a building safer or less safe in an earthquake? (a) safer in earthquakes (b) less safe
  36. 36.🏚️ Does using a heavy roof make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes
  37. 37.🏚️ 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 20 cm tall on a 20 cm base and tower C is 40 cm tall on a 20 cm base. Which is the hardest to tip over? (a) tower A (b) tower B (c) tower C
  38. 38.True or false: having a wide base makes a building safer in earthquakes. (a) False (b) True
  39. 39.🏚️ Why is a wide base safer? (a) it is taller (b) it is colourful (c) it is lighter (d) it is harder to tip over
  40. 40.🏚️ Does adding cross bracing make a building safer or less safe in an earthquake? (a) less safe (b) safer in earthquakes

Answer key

  1. stacking loose bricks
  2. False
  3. leaving out steel bars
  4. False
  5. False
  6. using a heavy roof
  7. safer in earthquakes
  8. less safe
  9. leaving out steel bars
  10. raising heavy tanks high
  11. False
  12. safer in earthquakes
  13. less safe
  14. raising heavy tanks high
  15. True
  16. using a light roof
  17. safer in earthquakes
  18. using flexible joints
  19. stacking loose bricks
  20. tower A
  21. using flexible joints
  22. safer in earthquakes
  23. a shake table
  24. low down
  25. False
  26. True
  27. having a wide base
  28. True
  29. safer in earthquakes
  30. adding cross bracing
  31. tower B
  32. keeping a simple shape
  33. tower A
  34. tower A
  35. less safe
  36. less safe
  37. tower B
  38. True
  39. it is harder to tip over
  40. safer in earthquakes

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