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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 143 · 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) spend at most ₹100 (b) float for 1 minute (c) finish in 40 minutes (d) use only paper and tape
  2. 2.True or false: “hold up 500 g” is a constraint (a limit). (a) False (b) True
  3. 3.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint
  4. 4.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 900 g. Does it meet the criterion? (a) Yes (b) No
  5. 5.True or false: “finish in 40 minutes” is a criterion (a goal). (a) True (b) False
  6. 6.📋 Criteria are … (a) the tools you use (b) the limits on money (c) the team names (d) goals a design must meet
  7. 7.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 94 cm tall. Is it within the constraint? (a) Yes (b) No
  8. 8.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
  9. 9.📋 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
  10. 10.True or false: “float for 1 minute” is a criterion (a goal). (a) True (b) False
  11. 11.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
  12. 12.🔍 Which is the odd one out? (a) stand in a fan breeze (b) hold up 500 g (c) finish in 40 minutes (d) keep ice for 1 hour
  13. 13.True or false: “use at most 20 straws” is a constraint (a limit). (a) True (b) False
  14. 14.True or false: “spend at most ₹100” is a criterion (a goal). (a) False (b) True
  15. 15.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
  16. 16.True or false: “use only paper and tape” is a criterion (a goal). (a) False (b) True
  17. 17.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
  18. 18.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a criterion (b) a constraint
  19. 19.True or false: “use at most 20 straws” is a criterion (a goal). (a) True (b) False
  20. 20.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion
  21. 21.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 350 g. Does it meet the criterion? (a) Yes (b) No
  22. 22.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 750 g. Does it meet the criterion? (a) No (b) Yes
  23. 23.True or false: “stand in a fan breeze” is a criterion (a goal). (a) False (b) True
  24. 24.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) no, it breaks a limit (b) only if it is red (c) yes, it works (d) yes, always
  25. 25.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 1050 g. Does it meet the criterion? (a) No (b) Yes
  26. 26.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 80 cm tall. Is it within the constraint? (a) No (b) Yes
  27. 27.True or false: “float for 1 minute” is a constraint (a limit). (a) False (b) True
  28. 28.📋 Your team’s budget is ₹89. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  29. 29.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 750 g. Does it meet the criterion? (a) Yes (b) No
  30. 30.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 60 cm tall. Is it within the constraint? (a) No (b) Yes
  31. 31.📋 Your team’s budget is ₹17. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  32. 32.🔍 Which is the odd one out? (a) float for 1 minute (b) use only paper and tape (c) roll at least 2 metres (d) hold up 500 g
  33. 33.📋 Your team’s budget is ₹104. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  34. 34.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 34 cm tall. Is it within the constraint? (a) No (b) Yes
  35. 35.True or false: “roll at least 2 metres” is a criterion (a goal). (a) False (b) True
  36. 36.🔍 Which is the odd one out? (a) roll at least 2 metres (b) spend at most ₹100 (c) be under 30 cm tall (d) finish in 40 minutes
  37. 37.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
  38. 38.🔍 Which is the odd one out? (a) use at most 20 straws (b) hold up 500 g (c) stand in a fan breeze (d) keep ice for 1 hour
  39. 39.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 46 cm tall. Is it within the constraint? (a) Yes (b) No
  40. 40.🔍 Which is the odd one out? (a) stand in a fan breeze (b) spend at most ₹100 (c) fit on a school desk (d) use only paper and tape

Answer key

  1. float for 1 minute
  2. False
  3. a criterion
  4. No
  5. False
  6. goals a design must meet
  7. No
  8. a constraint
  9. Yes
  10. True
  11. a constraint
  12. finish in 40 minutes
  13. True
  14. False
  15. a constraint
  16. False
  17. True
  18. a criterion
  19. False
  20. a constraint
  21. No
  22. No
  23. True
  24. no, it breaks a limit
  25. Yes
  26. Yes
  27. False
  28. 23
  29. Yes
  30. Yes
  31. 12
  32. use only paper and tape
  33. 19
  34. Yes
  35. True
  36. roll at least 2 metres
  37. a constraint
  38. use at most 20 straws
  39. Yes
  40. stand in a fan breeze

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