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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 34 · 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 criterion (a goal). (a) True (b) False
  2. 2.📋 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
  3. 3.📋 Criteria are … (a) the limits on money (b) the team names (c) the tools you use (d) goals a design must meet
  4. 4.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 64 cm tall. Is it within the constraint? (a) Yes (b) No
  5. 5.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 102 cm tall. Is it within the constraint? (a) Yes (b) No
  6. 6.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 96 cm tall. Is it within the constraint? (a) No (b) Yes
  7. 7.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False
  8. 8.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 350 g. Does it meet the criterion? (a) No (b) Yes
  9. 9.🔍 Which is the odd one out? (a) finish in 40 minutes (b) keep ice for 1 hour (c) roll at least 2 metres (d) carry 10 coins
  10. 10.📋 Your team’s budget is ₹79. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  11. 11.📋 Your team’s budget is ₹71. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  12. 12.🔍 Which is the odd one out? (a) lift a cup of water (b) stand in a fan breeze (c) use only paper and tape (d) roll at least 2 metres
  13. 13.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion
  14. 14.📋 Your team’s budget is ₹24. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  15. 15.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
  16. 16.True or false: “stand in a fan breeze” is a constraint (a limit). (a) False (b) True
  17. 17.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a constraint (b) a criterion
  18. 18.🔍 Which is the odd one out? (a) hold up 500 g (b) carry 10 coins (c) roll at least 2 metres (d) be under 30 cm tall
  19. 19.True or false: “carry 10 coins” is a constraint (a limit). (a) True (b) False
  20. 20.True or false: “fit on a school desk” is a constraint (a limit). (a) False (b) True
  21. 21.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
  22. 22.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 900 g. Does it meet the criterion? (a) Yes (b) No
  23. 23.📋 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
  24. 24.📋 Your team’s budget is ₹11. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  25. 25.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 88 cm tall. Is it within the constraint? (a) Yes (b) No
  26. 26.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a criterion (b) a constraint
  27. 27.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 84 cm tall. Is it within the constraint? (a) No (b) Yes
  28. 28.True or false: “use only paper and tape” is a constraint (a limit). (a) False (b) True
  29. 29.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1150 g. Does it meet the criterion? (a) No (b) Yes
  30. 30.🔍 Which is the odd one out? (a) finish in 40 minutes (b) use only paper and tape (c) keep ice for 1 hour (d) fit on a school desk
  31. 31.True or false: “float for 1 minute” is a constraint (a limit). (a) True (b) False
  32. 32.📋 Your team’s budget is ₹85. 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 ₹41. 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.📋 Your team’s budget is ₹31. 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.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 36 cm tall. Is it within the constraint? (a) Yes (b) No
  36. 36.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 750 g. Does it meet the criterion? (a) Yes (b) No
  37. 37.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a constraint (b) a criterion
  38. 38.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 250 g. Does it meet the criterion? (a) No (b) Yes
  39. 39.True or false: “be under 30 cm tall” is a criterion (a goal). (a) True (b) False
  40. 40.True or false: “lift a cup of water” is a constraint (a limit). (a) True (b) False

Answer key

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

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