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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 210 · 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 goal for success (b) a final test (c) a kind of glue (d) a limit you must keep to
  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.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 550 g. Does it meet the criterion? (a) Yes (b) No
  4. 4.True or false: “be under 30 cm tall” is a criterion (a goal). (a) False (b) True
  5. 5.🔍 Which is the odd one out? (a) use at most 20 straws (b) spend at most ₹100 (c) finish in 40 minutes (d) float for 1 minute
  6. 6.📋 Criteria are … (a) the tools you use (b) the team names (c) goals a design must meet (d) the limits on money
  7. 7.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) False (b) True
  8. 8.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 56 cm tall. Is it within the constraint? (a) No (b) Yes
  9. 9.🔍 Which is the odd one out? (a) stand in a fan breeze (b) spend at most ₹100 (c) fit on a school desk (d) finish in 40 minutes
  10. 10.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
  11. 11.True or false: “float for 1 minute” is a criterion (a goal). (a) True (b) False
  12. 12.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
  13. 13.True or false: “lift a cup of water” is a criterion (a goal). (a) True (b) False
  14. 14.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 46 cm tall. Is it within the constraint? (a) No (b) Yes
  15. 15.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1000 g. Does it meet the criterion? (a) Yes (b) No
  16. 16.True or false: “carry 10 coins” is a criterion (a goal). (a) False (b) True
  17. 17.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) no, it breaks a limit (b) only if it is red (c) yes, it works (d) yes, always
  18. 18.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 24 cm tall. Is it within the constraint? (a) No (b) Yes
  19. 19.📋 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
  20. 20.True or false: “spend at most ₹100” is a criterion (a goal). (a) True (b) False
  21. 21.🔍 Which is the odd one out? (a) float for 1 minute (b) carry 10 coins (c) stand in a fan breeze (d) use at most 20 straws
  22. 22.🔍 Which is the odd one out? (a) hold up 500 g (b) use only paper and tape (c) stand in a fan breeze (d) keep ice for 1 hour
  23. 23.True or false: “lift a cup of water” is a constraint (a limit). (a) True (b) False
  24. 24.True or false: “roll at least 2 metres” is a constraint (a limit). (a) False (b) True
  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.True or false: “stand in a fan breeze” is a constraint (a limit). (a) False (b) True
  27. 27.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 92 cm tall. Is it within the constraint? (a) Yes (b) No
  28. 28.📋 Your team’s budget is ₹23. 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.📋 Your team’s budget is ₹128. 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: “use only paper and tape” is a criterion (a goal). (a) False (b) True
  31. 31.True or false: “carry 10 coins” is a constraint (a limit). (a) True (b) False
  32. 32.🔍 Which is the odd one out? (a) finish in 40 minutes (b) fit on a school desk (c) use only paper and tape (d) keep ice for 1 hour
  33. 33.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 150 g. Does it meet the criterion? (a) Yes (b) No
  34. 34.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 68 cm tall. Is it within the constraint? (a) Yes (b) No
  35. 35.📋 Your team’s budget is ₹61. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  36. 36.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 76 cm tall. Is it within the constraint? (a) Yes (b) No
  37. 37.🔍 Which is the odd one out? (a) fit on a school desk (b) keep ice for 1 hour (c) hold up 500 g (d) float for 1 minute
  38. 38.📋 Your team’s budget is ₹46. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  39. 39.🔍 Which is the odd one out? (a) be under 30 cm tall (b) roll at least 2 metres (c) finish in 40 minutes (d) fit on a school desk
  40. 40.True or false: “be under 30 cm tall” is a constraint (a limit). (a) False (b) True

Answer key

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

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