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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 930 · 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) stand in a fan breeze (b) roll at least 2 metres (c) hold up 500 g (d) use at most 20 straws
  2. 2.🔍 Which is the odd one out? (a) use at most 20 straws (b) use only paper and tape (c) lift a cup of water (d) spend at most ₹100
  3. 3.True or false: “roll at least 2 metres” is a constraint (a limit). (a) False (b) True
  4. 4.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 600 g. Does it meet the criterion? (a) Yes (b) No
  5. 5.🔍 Which is the odd one out? (a) float for 1 minute (b) hold up 500 g (c) keep ice for 1 hour (d) fit on a school desk
  6. 6.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 950 g. Does it meet the criterion? (a) No (b) Yes
  7. 7.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 850 g. Does it meet the criterion? (a) No (b) Yes
  8. 8.📋 Your team’s budget is ₹78. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  9. 9.True or false: “be under 30 cm tall” is a criterion (a goal). (a) False (b) True
  10. 10.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 74 cm tall. Is it within the constraint? (a) Yes (b) No
  11. 11.True or false: “fit on a school desk” is a criterion (a goal). (a) False (b) True
  12. 12.True or false: “spend at most ₹100” is a criterion (a goal). (a) False (b) True
  13. 13.📋 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
  14. 14.🔍 Which is the odd one out? (a) fit on a school desk (b) spend at most ₹100 (c) hold up 500 g (d) be under 30 cm tall
  15. 15.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) True (b) False
  16. 16.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
  17. 17.True or false: “finish in 40 minutes” is a criterion (a goal). (a) False (b) True
  18. 18.🔍 Which is the odd one out? (a) spend at most ₹100 (b) stand in a fan breeze (c) fit on a school desk (d) finish in 40 minutes
  19. 19.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 300 g. Does it meet the criterion? (a) Yes (b) No
  20. 20.📋 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
  21. 21.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
  22. 22.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 30 cm tall. Is it within the constraint? (a) Yes (b) No
  23. 23.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
  24. 24.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 62 cm tall. Is it within the constraint? (a) Yes (b) No
  25. 25.True or false: “fit on a school desk” is a constraint (a limit). (a) True (b) False
  26. 26.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 104 cm tall. Is it within the constraint? (a) No (b) Yes
  27. 27.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
  28. 28.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) only if it is red (b) yes, always (c) no, it breaks a limit (d) yes, it works
  29. 29.📋 Your team’s budget is ₹95. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  30. 30.True or false: “lift a cup of water” is a criterion (a goal). (a) True (b) False
  31. 31.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
  32. 32.📋 Your team’s budget is ₹134. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  33. 33.📋 Your team’s budget is ₹62. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  34. 34.True or false: “be under 30 cm tall” is a constraint (a limit). (a) True (b) False
  35. 35.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 48 cm tall. Is it within the constraint? (a) No (b) Yes
  36. 36.True or false: “roll at least 2 metres” is a criterion (a goal). (a) False (b) True
  37. 37.🔍 Which is the odd one out? (a) hold up 500 g (b) finish in 40 minutes (c) stand in a fan breeze (d) roll at least 2 metres
  38. 38.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 450 g. Does it meet the criterion? (a) No (b) Yes
  39. 39.📋 Your team’s budget is ₹50. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  40. 40.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion

Answer key

  1. use at most 20 straws
  2. lift a cup of water
  3. False
  4. No
  5. fit on a school desk
  6. Yes
  7. No
  8. 24
  9. False
  10. No
  11. False
  12. False
  13. Yes
  14. hold up 500 g
  15. False
  16. a criterion
  17. False
  18. stand in a fan breeze
  19. No
  20. No
  21. a constraint
  22. Yes
  23. a constraint
  24. No
  25. True
  26. No
  27. a criterion
  28. no, it breaks a limit
  29. 30
  30. True
  31. True
  32. 29
  33. 14
  34. True
  35. Yes
  36. True
  37. finish in 40 minutes
  38. No
  39. 22
  40. a criterion

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