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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 865 · 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”.

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  1. 1.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
  2. 2.🔍 Which is the odd one out? (a) carry 10 coins (b) roll at least 2 metres (c) float for 1 minute (d) fit on a school desk
  3. 3.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a criterion (b) a constraint
  4. 4.🔍 Which is the odd one out? (a) fit on a school desk (b) float for 1 minute (c) use at most 20 straws (d) finish in 40 minutes
  5. 5.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
  6. 6.📋 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
  7. 7.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
  8. 8.True or false: “be under 30 cm tall” is a constraint (a limit). (a) False (b) True
  9. 9.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 56 cm tall. Is it within the constraint? (a) No (b) Yes
  10. 10.📋 Your team’s budget is ₹102. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  11. 11.📋 A constraint is … (a) a final test (b) a goal for success (c) a limit you must keep to (d) a kind of glue
  12. 12.📋 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
  13. 13.📋 Your team’s budget is ₹29. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  14. 14.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 700 g. Does it meet the criterion? (a) No (b) Yes
  15. 15.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, it works (b) yes, always (c) only if it is red (d) no, it breaks a limit
  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.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 50 cm tall. Is it within the constraint? (a) No (b) Yes
  18. 18.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
  19. 19.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 1000 g. Does it meet the criterion? (a) No (b) Yes
  20. 20.True or false: “use only paper and tape” is a criterion (a goal). (a) False (b) True
  21. 21.True or false: “roll at least 2 metres” is a criterion (a goal). (a) False (b) True
  22. 22.📋 Your team’s budget is ₹56. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  23. 23.True or false: “hold up 500 g” is a constraint (a limit). (a) False (b) True
  24. 24.True or false: “stand in a fan breeze” is a constraint (a limit). (a) True (b) False
  25. 25.📋 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
  26. 26.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion
  27. 27.📋 Criteria are … (a) the limits on money (b) goals a design must meet (c) the tools you use (d) the team names
  28. 28.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
  29. 29.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 52 cm tall. Is it within the constraint? (a) Yes (b) No
  30. 30.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
  31. 31.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 106 cm tall. Is it within the constraint? (a) No (b) Yes
  32. 32.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 26 cm tall. Is it within the constraint? (a) No (b) Yes
  33. 33.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
  34. 34.True or false: “lift a cup of water” is a criterion (a goal). (a) False (b) True
  35. 35.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 600 g. Does it meet the criterion? (a) Yes (b) No
  36. 36.📋 Your team’s budget is ₹44. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  37. 37.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 94 cm tall. Is it within the constraint? (a) Yes (b) No
  38. 38.True or false: “fit on a school desk” is a criterion (a goal). (a) True (b) False
  39. 39.True or false: “float for 1 minute” is a criterion (a goal). (a) False (b) True
  40. 40.True or false: “be under 30 cm tall” is a criterion (a goal). (a) False (b) True

Answer key

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

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