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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 62 · 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: “be under 30 cm tall” is a criterion (a goal). (a) True (b) False
  2. 2.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
  3. 3.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
  4. 4.📋 A constraint is … (a) a goal for success (b) a limit you must keep to (c) a kind of glue (d) a final test
  5. 5.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1000 g. Does it meet the criterion? (a) No (b) Yes
  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: “fit on a school desk” is a criterion (a goal). (a) False (b) True
  8. 8.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 200 g. Does it meet the criterion? (a) Yes (b) No
  9. 9.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
  10. 10.🔍 Which is the odd one out? (a) use at most 20 straws (b) roll at least 2 metres (c) keep ice for 1 hour (d) hold up 500 g
  11. 11.📋 Criteria are … (a) the limits on money (b) the team names (c) the tools you use (d) goals a design must meet
  12. 12.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a constraint (b) a criterion
  13. 13.📋 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
  14. 14.📋 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
  15. 15.📋 Your team’s budget is ₹50. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  16. 16.🔍 Which is the odd one out? (a) hold up 500 g (b) fit on a school desk (c) finish in 40 minutes (d) use only paper and tape
  17. 17.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
  18. 18.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a criterion (b) a constraint
  19. 19.📋 Your team’s budget is ₹58. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  20. 20.📋 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
  21. 21.True or false: “stand in a fan breeze” is a criterion (a goal). (a) False (b) True
  22. 22.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 28 cm tall. Is it within the constraint? (a) No (b) Yes
  23. 23.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 60 cm tall. Is it within the constraint? (a) Yes (b) No
  24. 24.🔍 Which is the odd one out? (a) use only paper and tape (b) float for 1 minute (c) use at most 20 straws (d) finish in 40 minutes
  25. 25.📋 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
  26. 26.📋 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
  27. 27.📋 Your team’s budget is ₹81. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  28. 28.📋 Your team’s budget is ₹36. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  29. 29.True or false: “finish in 40 minutes” is a criterion (a goal). (a) True (b) False
  30. 30.📋 Your team’s budget is ₹60. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  31. 31.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, it works (b) yes, always (c) no, it breaks a limit (d) only if it is red
  32. 32.📋 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
  33. 33.True or false: “finish in 40 minutes” is a constraint (a limit). (a) False (b) True
  34. 34.🔍 Which is the odd one out? (a) fit on a school desk (b) finish in 40 minutes (c) be under 30 cm tall (d) carry 10 coins
  35. 35.True or false: “hold up 500 g” is a criterion (a goal). (a) True (b) False
  36. 36.True or false: “spend at most ₹100” is a criterion (a goal). (a) True (b) False
  37. 37.True or false: “float for 1 minute” is a criterion (a goal). (a) True (b) False
  38. 38.📋 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
  39. 39.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) False (b) True
  40. 40.True or false: “fit on a school desk” is a constraint (a limit). (a) True (b) False

Answer key

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

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