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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 17 · 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.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
  2. 2.📋 Criteria are … (a) the team names (b) the tools you use (c) the limits on money (d) goals a design must meet
  3. 3.🔍 Which is the odd one out? (a) be under 30 cm tall (b) finish in 40 minutes (c) spend at most ₹100 (d) lift a cup of water
  4. 4.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
  5. 5.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion
  6. 6.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) only if it is red (b) yes, it works (c) yes, always (d) no, it breaks a limit
  7. 7.True or false: “hold up 500 g” is a criterion (a goal). (a) True (b) False
  8. 8.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
  9. 9.📋 A constraint is … (a) a limit you must keep to (b) a goal for success (c) a kind of glue (d) a final test
  10. 10.True or false: “be under 30 cm tall” is a constraint (a limit). (a) True (b) False
  11. 11.🔍 Which is the odd one out? (a) use only paper and tape (b) use at most 20 straws (c) finish in 40 minutes (d) carry 10 coins
  12. 12.True or false: “be under 30 cm tall” is a criterion (a goal). (a) True (b) False
  13. 13.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 52 cm tall. Is it within the constraint? (a) No (b) Yes
  14. 14.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 1000 g. Does it meet the criterion? (a) Yes (b) No
  15. 15.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 46 cm tall. Is it within the constraint? (a) No (b) Yes
  16. 16.True or false: “carry 10 coins” is a criterion (a goal). (a) False (b) True
  17. 17.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 32 cm tall. Is it within the constraint? (a) Yes (b) No
  18. 18.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 60 cm tall. Is it within the constraint? (a) No (b) Yes
  19. 19.True or false: “spend at most ₹100” is a criterion (a goal). (a) False (b) True
  20. 20.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
  21. 21.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 104 cm tall. Is it within the constraint? (a) Yes (b) No
  22. 22.📋 Your team’s budget is ₹37. You must buy one roll of tape for ₹10. Straws cost ₹1 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) True (b) False
  24. 24.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 700 g. Does it meet the criterion? (a) Yes (b) No
  25. 25.📋 Your team’s budget is ₹110. 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.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) True (b) False
  27. 27.True or false: “carry 10 coins” is a constraint (a limit). (a) True (b) False
  28. 28.True or false: “float for 1 minute” is a criterion (a goal). (a) False (b) True
  29. 29.📋 Your team’s budget is ₹43. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  30. 30.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) float for 1 minute (c) use at most 20 straws (d) carry 10 coins
  31. 31.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 750 g. Does it meet the criterion? (a) Yes (b) No
  32. 32.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 96 cm tall. Is it within the constraint? (a) No (b) Yes
  33. 33.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 650 g. Does it meet the criterion? (a) Yes (b) No
  34. 34.📋 Your team’s budget is ₹30. You must buy one roll of tape for ₹5. Straws cost ₹2 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 550 g. Does it meet the criterion? (a) No (b) Yes
  36. 36.🔍 Which is the odd one out? (a) finish in 40 minutes (b) stand in a fan breeze (c) keep ice for 1 hour (d) carry 10 coins
  37. 37.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 550 g. Does it meet the criterion? (a) No (b) Yes
  38. 38.🔍 Which is the odd one out? (a) finish in 40 minutes (b) stand in a fan breeze (c) use only paper and tape (d) spend at most ₹100
  39. 39.🔍 Which is the odd one out? (a) finish in 40 minutes (b) be under 30 cm tall (c) spend at most ₹100 (d) hold up 500 g
  40. 40.🔍 Which is the odd one out? (a) spend at most ₹100 (b) stand in a fan breeze (c) hold up 500 g (d) float for 1 minute

Answer key

  1. a criterion
  2. goals a design must meet
  3. lift a cup of water
  4. a criterion
  5. a constraint
  6. no, it breaks a limit
  7. True
  8. a criterion
  9. a limit you must keep to
  10. True
  11. carry 10 coins
  12. False
  13. No
  14. Yes
  15. No
  16. True
  17. No
  18. Yes
  19. False
  20. True
  21. No
  22. 27
  23. False
  24. No
  25. 30
  26. True
  27. False
  28. True
  29. 14
  30. use at most 20 straws
  31. No
  32. No
  33. No
  34. 12
  35. Yes
  36. finish in 40 minutes
  37. No
  38. stand in a fan breeze
  39. hold up 500 g
  40. spend at most ₹100

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