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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 50 · 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: “hold up 500 g” is a constraint (a limit). (a) False (b) True
  2. 2.📋 Criteria are … (a) the limits on money (b) the team names (c) goals a design must meet (d) the tools you use
  3. 3.True or false: “be under 30 cm tall” is a criterion (a goal). (a) False (b) True
  4. 4.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 550 g. Does it meet the criterion? (a) No (b) Yes
  5. 5.True or false: “float for 1 minute” is a constraint (a limit). (a) False (b) True
  6. 6.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 100 cm tall. Is it within the constraint? (a) No (b) Yes
  7. 7.📋 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
  8. 8.🔍 Which is the odd one out? (a) finish in 40 minutes (b) fit on a school desk (c) be under 30 cm tall (d) roll at least 2 metres
  9. 9.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a criterion (b) a constraint
  10. 10.📋 Your team’s budget is ₹24. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  11. 11.📋 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?
  12. 12.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, it works (b) no, it breaks a limit (c) only if it is red (d) yes, always
  13. 13.True or false: “finish in 40 minutes” is a criterion (a goal). (a) False (b) True
  14. 14.📋 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
  15. 15.🔍 Which is the odd one out? (a) hold up 500 g (b) finish in 40 minutes (c) use only paper and tape (d) use at most 20 straws
  16. 16.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
  17. 17.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 650 g. Does it meet the criterion? (a) No (b) Yes
  18. 18.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) True (b) False
  19. 19.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 600 g. Does it meet the criterion? (a) Yes (b) No
  20. 20.📋 Your team’s budget is ₹91. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  21. 21.📋 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
  22. 22.🔍 Which is the odd one out? (a) roll at least 2 metres (b) finish in 40 minutes (c) keep ice for 1 hour (d) stand in a fan breeze
  23. 23.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 650 g. Does it meet the criterion? (a) No (b) Yes
  24. 24.📋 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
  25. 25.📋 Your team’s budget is ₹45. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  26. 26.True or false: “spend at most ₹100” is a criterion (a goal). (a) True (b) False
  27. 27.📋 Your team’s budget is ₹40. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  28. 28.🔍 Which is the odd one out? (a) be under 30 cm tall (b) carry 10 coins (c) stand in a fan breeze (d) hold up 500 g
  29. 29.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a criterion (b) a constraint
  30. 30.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
  31. 31.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
  32. 32.True or false: “hold up 500 g” is a criterion (a goal). (a) True (b) False
  33. 33.📋 A constraint is … (a) a final test (b) a limit you must keep to (c) a goal for success (d) a kind of glue
  34. 34.📋 Your team’s budget is ₹50. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  35. 35.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 84 cm tall. Is it within the constraint? (a) Yes (b) No
  36. 36.True or false: “use at most 20 straws” is a constraint (a limit). (a) False (b) True
  37. 37.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 50 g. Does it meet the criterion? (a) No (b) Yes
  38. 38.True or false: “fit on a school desk” is a criterion (a goal). (a) False (b) True
  39. 39.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
  40. 40.🔍 Which is the odd one out? (a) use only paper and tape (b) spend at most ₹100 (c) carry 10 coins (d) use at most 20 straws

Answer key

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

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