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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 187 · 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.📋 A constraint is … (a) a limit you must keep to (b) a kind of glue (c) a final test (d) a goal for success
  2. 2.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 56 cm tall. Is it within the constraint? (a) No (b) Yes
  3. 3.True or false: “use only paper and tape” is a constraint (a limit). (a) False (b) True
  4. 4.True or false: “carry 10 coins” is a constraint (a limit). (a) True (b) False
  5. 5.True or false: “fit on a school desk” is a constraint (a limit). (a) True (b) False
  6. 6.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 450 g. Does it meet the criterion? (a) No (b) Yes
  7. 7.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 78 cm tall. Is it within the constraint? (a) Yes (b) No
  8. 8.🔍 Which is the odd one out? (a) use only paper and tape (b) fit on a school desk (c) spend at most ₹100 (d) roll at least 2 metres
  9. 9.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 150 g. Does it meet the criterion? (a) No (b) Yes
  10. 10.🔍 Which is the odd one out? (a) finish in 40 minutes (b) be under 30 cm tall (c) float for 1 minute (d) use only paper and tape
  11. 11.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 56 cm tall. Is it within the constraint? (a) No (b) Yes
  12. 12.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
  13. 13.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) only if it is red (b) yes, it works (c) yes, always (d) no, it breaks a limit
  14. 14.📋 Your team’s budget is ₹143. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  15. 15.🔍 Which is the odd one out? (a) hold up 500 g (b) spend at most ₹100 (c) keep ice for 1 hour (d) float for 1 minute
  16. 16.📋 Criteria are … (a) goals a design must meet (b) the limits on money (c) the tools you use (d) the team names
  17. 17.True or false: “finish in 40 minutes” is a constraint (a limit). (a) False (b) True
  18. 18.📋 Your team’s budget is ₹41. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  19. 19.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 86 cm tall. Is it within the constraint? (a) Yes (b) No
  20. 20.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a constraint (b) a criterion
  21. 21.📋 Your team’s budget is ₹131. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  22. 22.True or false: “finish in 40 minutes” is a criterion (a goal). (a) True (b) False
  23. 23.🔍 Which is the odd one out? (a) spend at most ₹100 (b) keep ice for 1 hour (c) fit on a school desk (d) use only paper and tape
  24. 24.📋 Your team’s budget is ₹84. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  25. 25.📋 Your team’s budget is ₹114. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  26. 26.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 54 cm tall. Is it within the constraint? (a) Yes (b) No
  27. 27.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
  28. 28.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) False (b) True
  29. 29.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
  30. 30.🔍 Which is the odd one out? (a) float for 1 minute (b) hold up 500 g (c) lift a cup of water (d) finish in 40 minutes
  31. 31.True or false: “use at most 20 straws” is a constraint (a limit). (a) False (b) True
  32. 32.True or false: “stand in a fan breeze” is a criterion (a goal). (a) True (b) False
  33. 33.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 26 cm tall. Is it within the constraint? (a) No (b) Yes
  34. 34.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 800 g. Does it meet the criterion? (a) No (b) Yes
  35. 35.📋 Your team’s budget is ₹31. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  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: “spend at most ₹100” is a criterion (a goal). (a) True (b) False
  38. 38.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 84 cm tall. Is it within the constraint? (a) Yes (b) No
  39. 39.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 102 cm tall. Is it within the constraint? (a) No (b) Yes
  40. 40.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint

Answer key

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

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