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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 368 · 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.📋 Criteria are … (a) goals a design must meet (b) the tools you use (c) the team names (d) the limits on money
  2. 2.True or false: “float for 1 minute” is a constraint (a limit). (a) False (b) True
  3. 3.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
  4. 4.True or false: “lift a cup of water” is a constraint (a limit). (a) False (b) True
  5. 5.🔍 Which is the odd one out? (a) stand in a fan breeze (b) use only paper and tape (c) be under 30 cm tall (d) use at most 20 straws
  6. 6.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 56 cm tall. Is it within the constraint? (a) No (b) Yes
  7. 7.True or false: “float for 1 minute” is a criterion (a goal). (a) False (b) True
  8. 8.📋 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
  9. 9.True or false: “fit on a school desk” is a criterion (a goal). (a) True (b) False
  10. 10.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
  11. 11.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, always (b) only if it is red (c) yes, it works (d) no, it breaks a limit
  12. 12.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
  13. 13.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 600 g. Does it meet the criterion? (a) No (b) Yes
  14. 14.🔍 Which is the odd one out? (a) spend at most ₹100 (b) be under 30 cm tall (c) keep ice for 1 hour (d) use at most 20 straws
  15. 15.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
  16. 16.📋 Your team’s budget is ₹58. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  17. 17.True or false: “carry 10 coins” is a constraint (a limit). (a) True (b) False
  18. 18.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 76 cm tall. Is it within the constraint? (a) No (b) Yes
  19. 19.🔍 Which is the odd one out? (a) use at most 20 straws (b) fit on a school desk (c) hold up 500 g (d) be under 30 cm tall
  20. 20.📋 A constraint is … (a) a final test (b) a goal for success (c) a limit you must keep to (d) a kind of glue
  21. 21.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 84 cm tall. Is it within the constraint? (a) Yes (b) No
  22. 22.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) True (b) False
  23. 23.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a criterion (b) a constraint
  24. 24.📋 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?
  25. 25.📋 Your team’s budget is ₹45. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  26. 26.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
  27. 27.True or false: “spend at most ₹100” is a constraint (a limit). (a) True (b) False
  28. 28.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 250 g. Does it meet the criterion? (a) No (b) Yes
  29. 29.📋 Your team’s budget is ₹49. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  30. 30.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
  31. 31.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 44 cm tall. Is it within the constraint? (a) No (b) Yes
  32. 32.True or false: “stand in a fan breeze” is a constraint (a limit). (a) True (b) False
  33. 33.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) lift a cup of water (c) use at most 20 straws (d) roll at least 2 metres
  34. 34.🔍 Which is the odd one out? (a) be under 30 cm tall (b) stand in a fan breeze (c) lift a cup of water (d) carry 10 coins
  35. 35.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 950 g. Does it meet the criterion? (a) No (b) Yes
  36. 36.True or false: “carry 10 coins” is a criterion (a goal). (a) True (b) False
  37. 37.True or false: “lift a cup of water” is a criterion (a goal). (a) False (b) True
  38. 38.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 86 cm tall. Is it within the constraint? (a) No (b) Yes
  39. 39.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 400 g. Does it meet the criterion? (a) No (b) Yes
  40. 40.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False

Answer key

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

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