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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 859 · 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) the limits on money (b) the tools you use (c) the team names (d) goals a design must meet
  2. 2.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
  3. 3.📋 Your team’s budget is ₹47. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  4. 4.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) only if it is red (b) yes, always (c) yes, it works (d) no, it breaks a limit
  5. 5.True or false: “hold up 500 g” is a criterion (a goal). (a) True (b) False
  6. 6.📋 A constraint is … (a) a limit you must keep to (b) a goal for success (c) a final test (d) a kind of glue
  7. 7.True or false: “spend at most ₹100” is a criterion (a goal). (a) True (b) False
  8. 8.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) False (b) True
  9. 9.📋 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
  10. 10.True or false: “float for 1 minute” is a criterion (a goal). (a) True (b) False
  11. 11.📋 Your team’s budget is ₹60. You must buy one roll of tape for ₹20. Straws cost ₹5 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.📋 Your team’s budget is ₹104. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  14. 14.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
  15. 15.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
  16. 16.True or false: “stand in a fan breeze” is a constraint (a limit). (a) True (b) False
  17. 17.🔍 Which is the odd one out? (a) spend at most ₹100 (b) finish in 40 minutes (c) use at most 20 straws (d) hold up 500 g
  18. 18.📋 Your team’s budget is ₹34. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  19. 19.True or false: “lift a cup of water” is a constraint (a limit). (a) False (b) True
  20. 20.True or false: “finish in 40 minutes” is a constraint (a limit). (a) True (b) False
  21. 21.True or false: “lift a cup of water” is a criterion (a goal). (a) False (b) True
  22. 22.🔍 Which is the odd one out? (a) lift a cup of water (b) hold up 500 g (c) float for 1 minute (d) spend at most ₹100
  23. 23.📋 Your team’s budget is ₹26. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  24. 24.🔍 Which is the odd one out? (a) finish in 40 minutes (b) fit on a school desk (c) use at most 20 straws (d) carry 10 coins
  25. 25.📋 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
  26. 26.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 300 g. Does it meet the criterion? (a) No (b) Yes
  27. 27.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 200 g. Does it meet the criterion? (a) Yes (b) No
  28. 28.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
  29. 29.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 92 cm tall. Is it within the constraint? (a) No (b) Yes
  30. 30.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
  31. 31.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 450 g. Does it meet the criterion? (a) No (b) Yes
  32. 32.🔍 Which is the odd one out? (a) finish in 40 minutes (b) use only paper and tape (c) use at most 20 straws (d) float for 1 minute
  33. 33.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
  34. 34.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 450 g. Does it meet the criterion? (a) No (b) Yes
  35. 35.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 102 cm tall. Is it within the constraint? (a) Yes (b) No
  36. 36.True or false: “use at most 20 straws” is a constraint (a limit). (a) True (b) False
  37. 37.🔍 Which is the odd one out? (a) lift a cup of water (b) fit on a school desk (c) hold up 500 g (d) stand in a fan breeze
  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.🔍 Which is the odd one out? (a) stand in a fan breeze (b) roll at least 2 metres (c) use only paper and tape (d) lift a cup of water
  40. 40.📋 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

Answer key

  1. goals a design must meet
  2. True
  3. 16
  4. no, it breaks a limit
  5. True
  6. a limit you must keep to
  7. False
  8. True
  9. Yes
  10. True
  11. 8
  12. False
  13. 18
  14. a constraint
  15. False
  16. False
  17. hold up 500 g
  18. 14
  19. False
  20. True
  21. True
  22. spend at most ₹100
  23. 21
  24. carry 10 coins
  25. No
  26. Yes
  27. No
  28. a criterion
  29. No
  30. a constraint
  31. Yes
  32. float for 1 minute
  33. True
  34. No
  35. No
  36. True
  37. fit on a school desk
  38. Yes
  39. use only paper and tape
  40. Yes

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