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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 536 · 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 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
  2. 2.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
  3. 3.📋 A constraint is … (a) a goal for success (b) a final test (c) a kind of glue (d) a limit you must keep to
  4. 4.📋 Your team’s budget is ₹154. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  5. 5.📋 Your team’s budget is ₹67. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  6. 6.🔍 Which is the odd one out? (a) spend at most ₹100 (b) use at most 20 straws (c) be under 30 cm tall (d) keep ice for 1 hour
  7. 7.📋 Criteria are … (a) goals a design must meet (b) the team names (c) the limits on money (d) the tools you use
  8. 8.📋 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
  9. 9.True or false: “use at most 20 straws” is a criterion (a goal). (a) True (b) False
  10. 10.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a constraint (b) a criterion
  11. 11.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 100 cm tall. Is it within the constraint? (a) Yes (b) No
  12. 12.True or false: “finish in 40 minutes” is a criterion (a goal). (a) False (b) True
  13. 13.📋 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
  14. 14.📋 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
  15. 15.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 600 g. Does it meet the criterion? (a) Yes (b) No
  16. 16.True or false: “fit on a school desk” is a constraint (a limit). (a) True (b) False
  17. 17.📋 Your team’s budget is ₹75. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  18. 18.📋 Your team’s budget is ₹20. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  19. 19.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 850 g. Does it meet the criterion? (a) No (b) Yes
  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.🔍 Which is the odd one out? (a) carry 10 coins (b) keep ice for 1 hour (c) spend at most ₹100 (d) stand in a fan breeze
  22. 22.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) float for 1 minute (c) roll at least 2 metres (d) fit on a school desk
  23. 23.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) False (b) True
  24. 24.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
  25. 25.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) True (b) False
  26. 26.📋 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
  27. 27.True or false: “use at most 20 straws” is a constraint (a limit). (a) True (b) False
  28. 28.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
  29. 29.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 750 g. Does it meet the criterion? (a) No (b) Yes
  30. 30.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
  31. 31.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
  32. 32.🔍 Which is the odd one out? (a) roll at least 2 metres (b) be under 30 cm tall (c) use only paper and tape (d) finish in 40 minutes
  33. 33.True or false: “carry 10 coins” is a criterion (a goal). (a) False (b) True
  34. 34.📋 Your team’s budget is ₹47. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  35. 35.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 350 g. Does it meet the criterion? (a) Yes (b) No
  36. 36.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False
  37. 37.📋 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
  38. 38.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 38 cm tall. Is it within the constraint? (a) No (b) Yes
  39. 39.True or false: “hold up 500 g” is a constraint (a limit). (a) False (b) True
  40. 40.True or false: “use only paper and tape” is a constraint (a limit). (a) False (b) True

Answer key

  1. no, it breaks a limit
  2. a constraint
  3. a limit you must keep to
  4. 26
  5. 19
  6. keep ice for 1 hour
  7. goals a design must meet
  8. Yes
  9. False
  10. a constraint
  11. Yes
  12. False
  13. Yes
  14. No
  15. No
  16. True
  17. 18
  18. 7
  19. No
  20. 17
  21. spend at most ₹100
  22. fit on a school desk
  23. True
  24. a constraint
  25. False
  26. Yes
  27. True
  28. a constraint
  29. No
  30. a criterion
  31. True
  32. roll at least 2 metres
  33. True
  34. 14
  35. No
  36. False
  37. Yes
  38. Yes
  39. False
  40. True

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