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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 14 · 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.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
  2. 2.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
  3. 3.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
  4. 4.True or false: “spend at most ₹100” is a constraint (a limit). (a) True (b) False
  5. 5.📋 Your team’s budget is ₹102. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  6. 6.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 250 g. Does it meet the criterion? (a) Yes (b) No
  7. 7.True or false: “stand in a fan breeze” is a constraint (a limit). (a) True (b) False
  8. 8.🔍 Which is the odd one out? (a) be under 30 cm tall (b) use only paper and tape (c) hold up 500 g (d) fit on a school desk
  9. 9.📋 Your team’s budget is ₹63. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  10. 10.True or false: “use at most 20 straws” is a constraint (a limit). (a) True (b) False
  11. 11.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
  12. 12.📋 Your team’s budget is ₹33. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  13. 13.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, it works (b) only if it is red (c) yes, always (d) no, it breaks a limit
  14. 14.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 250 g. Does it meet the criterion? (a) No (b) Yes
  15. 15.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
  16. 16.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) False (b) True
  17. 17.True or false: “lift a cup of water” is a constraint (a limit). (a) True (b) False
  18. 18.True or false: “roll at least 2 metres” is a constraint (a limit). (a) False (b) True
  19. 19.📋 A constraint is … (a) a goal for success (b) a final test (c) a kind of glue (d) a limit you must keep to
  20. 20.📋 Criteria are … (a) the limits on money (b) the team names (c) the tools you use (d) goals a design must meet
  21. 21.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) False (b) True
  22. 22.📋 Your team’s budget is ₹32. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  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.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a criterion (b) a constraint
  25. 25.🔍 Which is the odd one out? (a) stand in a fan breeze (b) carry 10 coins (c) be under 30 cm tall (d) roll at least 2 metres
  26. 26.🔍 Which is the odd one out? (a) hold up 500 g (b) stand in a fan breeze (c) finish in 40 minutes (d) keep ice for 1 hour
  27. 27.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 950 g. Does it meet the criterion? (a) Yes (b) No
  28. 28.📋 Your team’s budget is ₹65. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  29. 29.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 94 cm tall. Is it within the constraint? (a) Yes (b) No
  30. 30.📋 Your team’s budget is ₹22. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  31. 31.True or false: “be under 30 cm tall” is a criterion (a goal). (a) True (b) False
  32. 32.True or false: “fit on a school desk” is a criterion (a goal). (a) False (b) True
  33. 33.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
  34. 34.True or false: “lift a cup of water” is a criterion (a goal). (a) True (b) False
  35. 35.True or false: “float for 1 minute” is a constraint (a limit). (a) False (b) True
  36. 36.🔍 Which is the odd one out? (a) be under 30 cm tall (b) spend at most ₹100 (c) use at most 20 straws (d) stand in a fan breeze
  37. 37.🔍 Which is the odd one out? (a) hold up 500 g (b) lift a cup of water (c) float for 1 minute (d) use only paper and tape
  38. 38.📋 Your team’s budget is ₹71. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  39. 39.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 32 cm tall. Is it within the constraint? (a) Yes (b) No
  40. 40.📋 Your team’s budget is ₹49. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?

Answer key

  1. a criterion
  2. True
  3. a constraint
  4. True
  5. 17
  6. Yes
  7. False
  8. hold up 500 g
  9. 24
  10. True
  11. a constraint
  12. 14
  13. no, it breaks a limit
  14. No
  15. a constraint
  16. False
  17. False
  18. False
  19. a limit you must keep to
  20. goals a design must meet
  21. True
  22. 12
  23. a criterion
  24. a criterion
  25. be under 30 cm tall
  26. finish in 40 minutes
  27. Yes
  28. 20
  29. Yes
  30. 7
  31. False
  32. False
  33. a constraint
  34. True
  35. False
  36. stand in a fan breeze
  37. use only paper and tape
  38. 28
  39. No
  40. 7

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