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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 820 · 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 constraint is … (a) a limit you must keep to (b) a goal for success (c) a kind of glue (d) a final test
  2. 2.📋 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
  3. 3.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, it works (b) only if it is red (c) no, it breaks a limit (d) yes, always
  4. 4.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
  5. 5.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1100 g. Does it meet the criterion? (a) No (b) Yes
  6. 6.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a criterion (b) a constraint
  7. 7.True or false: “use only paper and tape” is a criterion (a goal). (a) False (b) True
  8. 8.📋 Your team’s budget is ₹42. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  9. 9.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 36 cm tall. Is it within the constraint? (a) Yes (b) No
  10. 10.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 950 g. Does it meet the criterion? (a) Yes (b) No
  11. 11.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 50 g. Does it meet the criterion? (a) Yes (b) No
  12. 12.True or false: “be under 30 cm tall” is a criterion (a goal). (a) False (b) True
  13. 13.📋 Criteria are … (a) the limits on money (b) the tools you use (c) the team names (d) goals a design must meet
  14. 14.🔍 Which is the odd one out? (a) stand in a fan breeze (b) lift a cup of water (c) use at most 20 straws (d) hold up 500 g
  15. 15.True or false: “fit on a school desk” is a constraint (a limit). (a) True (b) False
  16. 16.🔍 Which is the odd one out? (a) carry 10 coins (b) be under 30 cm tall (c) stand in a fan breeze (d) hold up 500 g
  17. 17.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
  18. 18.🔍 Which is the odd one out? (a) be under 30 cm tall (b) float for 1 minute (c) finish in 40 minutes (d) use only paper and tape
  19. 19.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
  20. 20.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
  21. 21.True or false: “finish in 40 minutes” is a criterion (a goal). (a) True (b) False
  22. 22.📋 Your team’s budget is ₹50. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  23. 23.📋 Your team’s budget is ₹33. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  24. 24.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a criterion (b) a constraint
  25. 25.True or false: “lift a cup of water” is a criterion (a goal). (a) False (b) True
  26. 26.True or false: “roll at least 2 metres” is a criterion (a goal). (a) False (b) True
  27. 27.🔍 Which is the odd one out? (a) spend at most ₹100 (b) be under 30 cm tall (c) use at most 20 straws (d) carry 10 coins
  28. 28.True or false: “be under 30 cm tall” is a constraint (a limit). (a) False (b) True
  29. 29.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 80 cm tall. Is it within the constraint? (a) Yes (b) No
  30. 30.📋 Your team’s budget is ₹37. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  31. 31.📋 Your team’s budget is ₹27. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  32. 32.🔍 Which is the odd one out? (a) spend at most ₹100 (b) roll at least 2 metres (c) lift a cup of water (d) keep ice for 1 hour
  33. 33.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a constraint (b) a criterion
  34. 34.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion
  35. 35.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
  36. 36.True or false: “hold up 500 g” is a criterion (a goal). (a) True (b) False
  37. 37.True or false: “float for 1 minute” is a criterion (a goal). (a) False (b) True
  38. 38.📋 Your team’s budget is ₹138. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  39. 39.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a criterion (b) a constraint
  40. 40.📋 Your team’s budget is ₹68. 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. a limit you must keep to
  2. No
  3. no, it breaks a limit
  4. a criterion
  5. Yes
  6. a criterion
  7. False
  8. 18
  9. No
  10. Yes
  11. No
  12. False
  13. goals a design must meet
  14. use at most 20 straws
  15. True
  16. be under 30 cm tall
  17. a criterion
  18. float for 1 minute
  19. False
  20. a criterion
  21. False
  22. 17
  23. 6
  24. a criterion
  25. True
  26. True
  27. carry 10 coins
  28. True
  29. Yes
  30. 8
  31. 8
  32. spend at most ₹100
  33. a constraint
  34. a constraint
  35. a constraint
  36. True
  37. True
  38. 23
  39. a criterion
  40. 24

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