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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 335 · 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.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 38 cm tall. Is it within the constraint? (a) Yes (b) No
  2. 2.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
  3. 3.📋 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
  4. 4.📋 Your team’s budget is ₹30. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  5. 5.🔍 Which is the odd one out? (a) stand in a fan breeze (b) carry 10 coins (c) float for 1 minute (d) use only paper and tape
  6. 6.📋 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
  7. 7.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
  8. 8.True or false: “spend at most ₹100” is a criterion (a goal). (a) True (b) False
  9. 9.📋 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
  10. 10.🔍 Which is the odd one out? (a) fit on a school desk (b) use only paper and tape (c) float for 1 minute (d) finish in 40 minutes
  11. 11.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
  12. 12.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
  13. 13.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 90 cm tall. Is it within the constraint? (a) Yes (b) No
  14. 14.True or false: “stand in a fan breeze” is a criterion (a goal). (a) True (b) False
  15. 15.📋 Your team’s budget is ₹66. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  16. 16.📋 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
  17. 17.🔍 Which is the odd one out? (a) hold up 500 g (b) keep ice for 1 hour (c) spend at most ₹100 (d) float for 1 minute
  18. 18.True or false: “roll at least 2 metres” is a criterion (a goal). (a) False (b) True
  19. 19.🔍 Which is the odd one out? (a) lift a cup of water (b) keep ice for 1 hour (c) float for 1 minute (d) finish in 40 minutes
  20. 20.📋 Your team’s budget is ₹52. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  21. 21.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, always (b) no, it breaks a limit (c) yes, it works (d) only if it is red
  22. 22.📋 Criteria are … (a) the tools you use (b) the limits on money (c) goals a design must meet (d) the team names
  23. 23.True or false: “hold up 500 g” is a constraint (a limit). (a) True (b) False
  24. 24.True or false: “fit on a school desk” is a constraint (a limit). (a) True (b) False
  25. 25.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
  26. 26.📋 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
  27. 27.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 76 cm tall. Is it within the constraint? (a) No (b) Yes
  28. 28.📋 Your team’s budget is ₹15. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  29. 29.True or false: “spend at most ₹100” is a constraint (a limit). (a) True (b) False
  30. 30.📋 Your team’s budget is ₹15. You must buy one roll of tape for ₹5. 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 constraint (a limit). (a) True (b) False
  32. 32.True or false: “float for 1 minute” is a constraint (a limit). (a) False (b) True
  33. 33.🔍 Which is the odd one out? (a) hold up 500 g (b) use at most 20 straws (c) lift a cup of water (d) carry 10 coins
  34. 34.📋 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
  35. 35.📋 A constraint is … (a) a goal for success (b) a kind of glue (c) a limit you must keep to (d) a final test
  36. 36.🔍 Which is the odd one out? (a) use at most 20 straws (b) roll at least 2 metres (c) fit on a school desk (d) use only paper and tape
  37. 37.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a constraint (b) a criterion
  38. 38.True or false: “use at most 20 straws” is a constraint (a limit). (a) False (b) True
  39. 39.📋 Your team’s budget is ₹107. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  40. 40.🔍 Which is the odd one out? (a) float for 1 minute (b) carry 10 coins (c) be under 30 cm tall (d) hold up 500 g

Answer key

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

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