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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 602 · 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.📋 A constraint is … (a) a kind of glue (b) a goal for success (c) a final test (d) a limit you must keep to
  2. 2.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
  3. 3.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 200 g. Does it meet the criterion? (a) No (b) Yes
  4. 4.True or false: “carry 10 coins” is a criterion (a goal). (a) False (b) True
  5. 5.📋 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
  6. 6.🔍 Which is the odd one out? (a) hold up 500 g (b) keep ice for 1 hour (c) stand in a fan breeze (d) use only paper and tape
  7. 7.📋 Criteria are … (a) the tools you use (b) the team names (c) the limits on money (d) goals a design must meet
  8. 8.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 700 g. Does it meet the criterion? (a) No (b) Yes
  9. 9.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
  10. 10.True or false: “finish in 40 minutes” is a constraint (a limit). (a) False (b) True
  11. 11.True or false: “hold up 500 g” is a constraint (a limit). (a) False (b) True
  12. 12.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 150 g. Does it meet the criterion? (a) No (b) Yes
  13. 13.📋 Your team’s budget is ₹31. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  14. 14.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a constraint (b) a criterion
  15. 15.🔍 Which is the odd one out? (a) roll at least 2 metres (b) carry 10 coins (c) keep ice for 1 hour (d) use at most 20 straws
  16. 16.True or false: “lift a cup of water” is a constraint (a limit). (a) True (b) False
  17. 17.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 78 cm tall. Is it within the constraint? (a) No (b) Yes
  18. 18.📋 Your team’s budget is ₹122. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  19. 19.📋 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
  20. 20.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 450 g. Does it meet the criterion? (a) Yes (b) No
  21. 21.True or false: “lift a cup of water” is a criterion (a goal). (a) False (b) True
  22. 22.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 550 g. Does it meet the criterion? (a) Yes (b) No
  23. 23.📋 Your team’s budget is ₹61. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  24. 24.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
  25. 25.True or false: “fit on a school desk” is a constraint (a limit). (a) True (b) False
  26. 26.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
  27. 27.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 650 g. Does it meet the criterion? (a) Yes (b) No
  28. 28.🔍 Which is the odd one out? (a) carry 10 coins (b) spend at most ₹100 (c) keep ice for 1 hour (d) roll at least 2 metres
  29. 29.📋 Your team’s budget is ₹89. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  30. 30.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
  31. 31.📋 Your team’s budget is ₹65. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  32. 32.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False
  33. 33.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
  34. 34.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 36 cm tall. Is it within the constraint? (a) No (b) Yes
  35. 35.True or false: “stand in a fan breeze” is a criterion (a goal). (a) True (b) False
  36. 36.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 350 g. Does it meet the criterion? (a) Yes (b) No
  37. 37.🔍 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
  38. 38.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) lift a cup of water (c) fit on a school desk (d) carry 10 coins
  39. 39.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 950 g. Does it meet the criterion? (a) Yes (b) No
  40. 40.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1100 g. Does it meet the criterion? (a) Yes (b) No

Answer key

  1. a limit you must keep to
  2. a constraint
  3. No
  4. True
  5. Yes
  6. use only paper and tape
  7. goals a design must meet
  8. Yes
  9. a constraint
  10. True
  11. False
  12. No
  13. 11
  14. a constraint
  15. use at most 20 straws
  16. False
  17. Yes
  18. 21
  19. no, it breaks a limit
  20. Yes
  21. True
  22. No
  23. 10
  24. a criterion
  25. True
  26. a constraint
  27. No
  28. spend at most ₹100
  29. 19
  30. True
  31. 30
  32. False
  33. a criterion
  34. No
  35. True
  36. No
  37. hold up 500 g
  38. fit on a school desk
  39. No
  40. Yes

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