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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 216 · 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.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 26 cm tall. Is it within the constraint? (a) Yes (b) No
  2. 2.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 50 g. Does it meet the criterion? (a) Yes (b) No
  3. 3.📋 Your team’s budget is ₹43. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  4. 4.📋 Criteria are … (a) the limits on money (b) goals a design must meet (c) the tools you use (d) the team names
  5. 5.📋 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
  6. 6.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
  7. 7.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
  8. 8.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a criterion (b) a constraint
  9. 9.🔍 Which is the odd one out? (a) be under 30 cm tall (b) use only paper and tape (c) hold up 500 g (d) finish in 40 minutes
  10. 10.🔍 Which is the odd one out? (a) hold up 500 g (b) float for 1 minute (c) carry 10 coins (d) be under 30 cm tall
  11. 11.True or false: “lift a cup of water” is a criterion (a goal). (a) True (b) False
  12. 12.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 450 g. Does it meet the criterion? (a) No (b) Yes
  13. 13.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False
  14. 14.📋 Your team’s budget is ₹25. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  15. 15.📋 Your team’s budget is ₹54. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  16. 16.📋 A constraint is … (a) a limit you must keep to (b) a kind of glue (c) a goal for success (d) a final test
  17. 17.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
  18. 18.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 88 cm tall. Is it within the constraint? (a) No (b) Yes
  19. 19.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 100 g. Does it meet the criterion? (a) No (b) Yes
  20. 20.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 54 cm tall. Is it within the constraint? (a) No (b) Yes
  21. 21.True or false: “float for 1 minute” is a criterion (a goal). (a) True (b) False
  22. 22.True or false: “hold up 500 g” is a criterion (a goal). (a) True (b) False
  23. 23.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
  24. 24.True or false: “hold up 500 g” is a constraint (a limit). (a) True (b) False
  25. 25.True or false: “spend at most ₹100” is a criterion (a goal). (a) True (b) False
  26. 26.🔍 Which is the odd one out? (a) lift a cup of water (b) carry 10 coins (c) float for 1 minute (d) spend at most ₹100
  27. 27.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 600 g. Does it meet the criterion? (a) Yes (b) No
  28. 28.True or false: “lift a cup of water” is a constraint (a limit). (a) True (b) False
  29. 29.True or false: “use at most 20 straws” is a constraint (a limit). (a) True (b) False
  30. 30.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 300 g. Does it meet the criterion? (a) No (b) Yes
  31. 31.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 38 cm tall. Is it within the constraint? (a) No (b) Yes
  32. 32.🔍 Which is the odd one out? (a) finish in 40 minutes (b) use only paper and tape (c) float for 1 minute (d) spend at most ₹100
  33. 33.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
  34. 34.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, it works (b) yes, always (c) only if it is red (d) no, it breaks a limit
  35. 35.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 76 cm tall. Is it within the constraint? (a) No (b) Yes
  36. 36.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint
  37. 37.True or false: “stand in a fan breeze” is a constraint (a limit). (a) False (b) True
  38. 38.True or false: “be under 30 cm tall” is a constraint (a limit). (a) False (b) True
  39. 39.📋 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
  40. 40.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1050 g. Does it meet the criterion? (a) No (b) Yes

Answer key

  1. Yes
  2. No
  3. 5
  4. goals a design must meet
  5. No
  6. a constraint
  7. a constraint
  8. a criterion
  9. hold up 500 g
  10. be under 30 cm tall
  11. True
  12. No
  13. False
  14. 15
  15. 11
  16. a limit you must keep to
  17. a constraint
  18. Yes
  19. No
  20. Yes
  21. True
  22. True
  23. a criterion
  24. False
  25. False
  26. spend at most ₹100
  27. Yes
  28. False
  29. True
  30. No
  31. Yes
  32. float for 1 minute
  33. a criterion
  34. no, it breaks a limit
  35. No
  36. a criterion
  37. False
  38. True
  39. No
  40. Yes

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