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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 237 · 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.True or false: “roll at least 2 metres” is a constraint (a limit). (a) False (b) True
  2. 2.📋 Criteria are … (a) the limits on money (b) the team names (c) goals a design must meet (d) the tools you use
  3. 3.📋 A constraint is … (a) a final test (b) a kind of glue (c) a limit you must keep to (d) a goal for success
  4. 4.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 250 g. Does it meet the criterion? (a) Yes (b) No
  5. 5.🔍 Which is the odd one out? (a) fit on a school desk (b) finish in 40 minutes (c) roll at least 2 metres (d) be under 30 cm tall
  6. 6.🔍 Which is the odd one out? (a) carry 10 coins (b) use only paper and tape (c) finish in 40 minutes (d) fit on a school desk
  7. 7.True or false: “fit on a school desk” is a criterion (a goal). (a) False (b) True
  8. 8.🔍 Which is the odd one out? (a) finish in 40 minutes (b) use only paper and tape (c) be under 30 cm tall (d) float for 1 minute
  9. 9.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) no, it breaks a limit (b) yes, always (c) only if it is red (d) yes, it works
  10. 10.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 66 cm tall. Is it within the constraint? (a) No (b) Yes
  11. 11.🔍 Which is the odd one out? (a) spend at most ₹100 (b) lift a cup of water (c) carry 10 coins (d) hold up 500 g
  12. 12.📋 Your team’s budget is ₹43. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  13. 13.📋 Your team’s budget is ₹77. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  14. 14.📋 Your team’s budget is ₹109. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  15. 15.📋 Your team’s budget is ₹71. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  16. 16.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a constraint (b) a criterion
  17. 17.True or false: “be under 30 cm tall” is a criterion (a goal). (a) True (b) False
  18. 18.True or false: “finish in 40 minutes” is a constraint (a limit). (a) False (b) True
  19. 19.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a criterion (b) a constraint
  20. 20.True or false: “finish in 40 minutes” is a criterion (a goal). (a) True (b) False
  21. 21.True or false: “use only paper and tape” is a criterion (a goal). (a) False (b) True
  22. 22.True or false: “use at most 20 straws” is a constraint (a limit). (a) False (b) True
  23. 23.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a criterion (b) a constraint
  24. 24.📋 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
  25. 25.📋 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
  26. 26.True or false: “spend at most ₹100” is a constraint (a limit). (a) True (b) False
  27. 27.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
  28. 28.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 750 g. Does it meet the criterion? (a) Yes (b) No
  29. 29.🔍 Which is the odd one out? (a) be under 30 cm tall (b) spend at most ₹100 (c) finish in 40 minutes (d) stand in a fan breeze
  30. 30.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
  31. 31.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
  32. 32.True or false: “float for 1 minute” is a constraint (a limit). (a) False (b) True
  33. 33.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 650 g. Does it meet the criterion? (a) No (b) Yes
  34. 34.📋 Your team’s budget is ₹94. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  35. 35.True or false: “carry 10 coins” is a constraint (a limit). (a) False (b) True
  36. 36.📋 Your team’s budget is ₹31. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  37. 37.True or false: “lift a cup of water” is a criterion (a goal). (a) False (b) True
  38. 38.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 40 cm tall. Is it within the constraint? (a) Yes (b) No
  39. 39.📋 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
  40. 40.🔍 Which is the odd one out? (a) spend at most ₹100 (b) be under 30 cm tall (c) finish in 40 minutes (d) hold up 500 g

Answer key

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

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