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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 301 · 40 questions
TalentJR

Engineer's tip (Limits and goals): Constraint = a limit on money, materials, time or size. Criterion = a goal: what the design must do. Check both with numbers: money left ÷ price for how many you can buy; result ≥ goal for “meets it”.

NameDateTime takenScore ___ / 40
  1. 1.🔍 Which is the odd one out? (a) roll at least 2 metres (b) be under 30 cm tall (c) keep ice for 1 hour (d) carry 10 coins
  2. 2.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
  3. 3.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 96 cm tall. Is it within the constraint? (a) No (b) Yes
  4. 4.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
  5. 5.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 60 cm tall. Is it within the constraint? (a) Yes (b) No
  6. 6.True or false: “spend at most ₹100” is a constraint (a limit). (a) True (b) False
  7. 7.📋 Your team’s budget is ₹14. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  8. 8.True or false: “stand in a fan breeze” is a criterion (a goal). (a) True (b) False
  9. 9.True or false: “lift a cup of water” is a criterion (a goal). (a) True (b) False
  10. 10.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 36 cm tall. Is it within the constraint? (a) Yes (b) No
  11. 11.True or false: “finish in 40 minutes” is a constraint (a limit). (a) True (b) False
  12. 12.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
  13. 13.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 94 cm tall. Is it within the constraint? (a) No (b) Yes
  14. 14.True or false: “float for 1 minute” is a constraint (a limit). (a) True (b) False
  15. 15.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
  16. 16.True or false: “fit on a school desk” is a constraint (a limit). (a) True (b) False
  17. 17.📋 Your team’s budget is ₹78. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  18. 18.🔍 Which is the odd one out? (a) finish in 40 minutes (b) use only paper and tape (c) be under 30 cm tall (d) float for 1 minute
  19. 19.🔍 Which is the odd one out? (a) hold up 500 g (b) carry 10 coins (c) keep ice for 1 hour (d) use at most 20 straws
  20. 20.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 82 cm tall. Is it within the constraint? (a) Yes (b) No
  21. 21.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, always (b) yes, it works (c) no, it breaks a limit (d) only if it is red
  22. 22.True or false: “finish in 40 minutes” is a criterion (a goal). (a) True (b) False
  23. 23.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a criterion (b) a constraint
  24. 24.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False
  25. 25.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 700 g. Does it meet the criterion? (a) Yes (b) No
  26. 26.📋 Your team’s budget is ₹114. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  27. 27.True or false: “use at most 20 straws” is a criterion (a goal). (a) True (b) False
  28. 28.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 44 cm tall. Is it within the constraint? (a) No (b) Yes
  29. 29.📋 Your team’s budget is ₹42. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  30. 30.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 58 cm tall. Is it within the constraint? (a) No (b) Yes
  31. 31.📋 A constraint is … (a) a goal for success (b) a final test (c) a limit you must keep to (d) a kind of glue
  32. 32.True or false: “float for 1 minute” is a criterion (a goal). (a) False (b) True
  33. 33.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 64 cm tall. Is it within the constraint? (a) Yes (b) No
  34. 34.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 250 g. Does it meet the criterion? (a) No (b) Yes
  35. 35.📋 Your team’s budget is ₹47. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  36. 36.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 550 g. Does it meet the criterion? (a) No (b) Yes
  37. 37.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 850 g. Does it meet the criterion? (a) Yes (b) No
  38. 38.🔍 Which is the odd one out? (a) hold up 500 g (b) fit on a school desk (c) use at most 20 straws (d) use only paper and tape
  39. 39.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 50 cm tall. Is it within the constraint? (a) Yes (b) No
  40. 40.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 44 cm tall. Is it within the constraint? (a) Yes (b) No

Answer key

  1. be under 30 cm tall
  2. a criterion
  3. No
  4. a constraint
  5. Yes
  6. True
  7. 9
  8. True
  9. True
  10. Yes
  11. True
  12. a constraint
  13. No
  14. False
  15. a criterion
  16. True
  17. 19
  18. float for 1 minute
  19. use at most 20 straws
  20. No
  21. no, it breaks a limit
  22. False
  23. a criterion
  24. False
  25. Yes
  26. 19
  27. False
  28. No
  29. 9
  30. Yes
  31. a limit you must keep to
  32. True
  33. Yes
  34. No
  35. 14
  36. No
  37. No
  38. hold up 500 g
  39. Yes
  40. Yes

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