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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 440 · 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.🔍 Which is the odd one out? (a) float for 1 minute (b) fit on a school desk (c) stand in a fan breeze (d) roll at least 2 metres
  2. 2.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) use only paper and tape (c) lift a cup of water (d) float for 1 minute
  3. 3.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 900 g. Does it meet the criterion? (a) Yes (b) No
  4. 4.🔍 Which is the odd one out? (a) hold up 500 g (b) float for 1 minute (c) keep ice for 1 hour (d) be under 30 cm tall
  5. 5.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 950 g. Does it meet the criterion? (a) Yes (b) No
  6. 6.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 900 g. Does it meet the criterion? (a) Yes (b) No
  7. 7.True or false: “lift a cup of water” is a constraint (a limit). (a) False (b) True
  8. 8.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 58 cm tall. Is it within the constraint? (a) No (b) Yes
  9. 9.True or false: “fit on a school desk” is a constraint (a limit). (a) False (b) True
  10. 10.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, always (b) only if it is red (c) no, it breaks a limit (d) yes, it works
  11. 11.📋 Your team’s budget is ₹63. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  12. 12.True or false: “float for 1 minute” is a constraint (a limit). (a) True (b) False
  13. 13.📋 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
  14. 14.True or false: “finish in 40 minutes” is a criterion (a goal). (a) False (b) True
  15. 15.True or false: “carry 10 coins” is a constraint (a limit). (a) True (b) False
  16. 16.True or false: “be under 30 cm tall” is a criterion (a goal). (a) True (b) False
  17. 17.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
  18. 18.📋 Your team’s budget is ₹32. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  19. 19.📋 Your team’s budget is ₹127. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  20. 20.True or false: “use at most 20 straws” is a constraint (a limit). (a) True (b) False
  21. 21.📋 Your team’s budget is ₹143. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  22. 22.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
  23. 23.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
  24. 24.True or false: “fit on a school desk” is a criterion (a goal). (a) True (b) False
  25. 25.📋 Your team’s budget is ₹39. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  26. 26.📋 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
  27. 27.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 46 cm tall. Is it within the constraint? (a) No (b) Yes
  28. 28.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 300 g. Does it meet the criterion? (a) No (b) Yes
  29. 29.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 44 cm tall. Is it within the constraint? (a) No (b) Yes
  30. 30.📋 A constraint is … (a) a kind of glue (b) a goal for success (c) a final test (d) a limit you must keep to
  31. 31.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 54 cm tall. Is it within the constraint? (a) No (b) Yes
  32. 32.🔍 Which is the odd one out? (a) finish in 40 minutes (b) roll at least 2 metres (c) be under 30 cm tall (d) use at most 20 straws
  33. 33.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
  34. 34.🔍 Which is the odd one out? (a) lift a cup of water (b) use only paper and tape (c) spend at most ₹100 (d) fit on a school desk
  35. 35.🔍 Which is the odd one out? (a) float for 1 minute (b) hold up 500 g (c) spend at most ₹100 (d) stand in a fan breeze
  36. 36.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a criterion (b) a constraint
  37. 37.True or false: “be under 30 cm tall” is a constraint (a limit). (a) True (b) False
  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) Yes (b) No
  39. 39.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 150 g. Does it meet the criterion? (a) Yes (b) No
  40. 40.📋 Your team’s budget is ₹35. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?

Answer key

  1. fit on a school desk
  2. use only paper and tape
  3. Yes
  4. be under 30 cm tall
  5. Yes
  6. Yes
  7. False
  8. Yes
  9. True
  10. no, it breaks a limit
  11. 14
  12. False
  13. Yes
  14. False
  15. False
  16. False
  17. a criterion
  18. 27
  19. 24
  20. True
  21. 27
  22. a criterion
  23. a constraint
  24. False
  25. 12
  26. No
  27. Yes
  28. No
  29. No
  30. a limit you must keep to
  31. No
  32. roll at least 2 metres
  33. True
  34. lift a cup of water
  35. spend at most ₹100
  36. a criterion
  37. True
  38. Yes
  39. No
  40. 7

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