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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 22 · 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.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion
  2. 2.📋 Criteria are … (a) the tools you use (b) the limits on money (c) goals a design must meet (d) the team names
  3. 3.📋 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?
  4. 4.📋 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
  5. 5.📋 Your team’s budget is ₹17. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  6. 6.🔍 Which is the odd one out? (a) roll at least 2 metres (b) lift a cup of water (c) stand in a fan breeze (d) use only paper and tape
  7. 7.True or false: “lift a cup of water” is a constraint (a limit). (a) False (b) True
  8. 8.🔍 Which is the odd one out? (a) spend at most ₹100 (b) finish in 40 minutes (c) be under 30 cm tall (d) roll at least 2 metres
  9. 9.🔍 Which is the odd one out? (a) float for 1 minute (b) finish in 40 minutes (c) use at most 20 straws (d) be under 30 cm tall
  10. 10.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 94 cm tall. Is it within the constraint? (a) No (b) Yes
  11. 11.📋 A constraint is … (a) a kind of glue (b) a limit you must keep to (c) a final test (d) a goal for success
  12. 12.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, always (b) yes, it works (c) only if it is red (d) no, it breaks a limit
  13. 13.📋 Your team’s budget is ₹56. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  14. 14.True or false: “carry 10 coins” is a criterion (a goal). (a) False (b) True
  15. 15.📋 Your team’s budget is ₹28. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  16. 16.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 250 g. Does it meet the criterion? (a) No (b) Yes
  17. 17.📋 Your team’s budget is ₹88. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  18. 18.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a constraint (b) a criterion
  19. 19.True or false: “be under 30 cm tall” is a criterion (a goal). (a) False (b) True
  20. 20.📋 Your team’s budget is ₹27. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  21. 21.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 350 g. Does it meet the criterion? (a) Yes (b) No
  22. 22.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
  23. 23.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) True (b) False
  24. 24.True or false: “use only paper and tape” is a constraint (a limit). (a) False (b) True
  25. 25.📋 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
  26. 26.True or false: “float for 1 minute” is a constraint (a limit). (a) True (b) False
  27. 27.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a constraint (b) a criterion
  28. 28.True or false: “fit on a school desk” is a criterion (a goal). (a) False (b) True
  29. 29.📋 Your team’s budget is ₹51. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  30. 30.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
  31. 31.True or false: “stand in a fan breeze” is a criterion (a goal). (a) True (b) False
  32. 32.📋 Your team’s budget is ₹28. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  33. 33.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) False (b) True
  34. 34.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 700 g. Does it meet the criterion? (a) Yes (b) No
  35. 35.📋 Your team’s budget is ₹24. You must buy one roll of tape for ₹15. Straws cost ₹1 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 86 cm tall. Is it within the constraint? (a) Yes (b) No
  37. 37.True or false: “spend at most ₹100” is a criterion (a goal). (a) False (b) True
  38. 38.True or false: “be under 30 cm tall” is a constraint (a limit). (a) False (b) True
  39. 39.True or false: “carry 10 coins” is a constraint (a limit). (a) True (b) False
  40. 40.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 82 cm tall. Is it within the constraint? (a) No (b) Yes

Answer key

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

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