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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 353 · 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.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
  2. 2.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
  3. 3.🔍 Which is the odd one out? (a) use only paper and tape (b) keep ice for 1 hour (c) use at most 20 straws (d) spend at most ₹100
  4. 4.📋 Your team’s budget is ₹104. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  5. 5.📋 Your team’s budget is ₹34. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  6. 6.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
  7. 7.True or false: “float for 1 minute” is a constraint (a limit). (a) True (b) False
  8. 8.📋 Criteria are … (a) the limits on money (b) the tools you use (c) goals a design must meet (d) the team names
  9. 9.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 26 cm tall. Is it within the constraint? (a) No (b) Yes
  10. 10.📋 A constraint is … (a) a final test (b) a kind of glue (c) a limit you must keep to (d) a goal for success
  11. 11.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion
  12. 12.True or false: “spend at most ₹100” is a criterion (a goal). (a) True (b) False
  13. 13.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 106 cm tall. Is it within the constraint? (a) No (b) Yes
  14. 14.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 68 cm tall. Is it within the constraint? (a) Yes (b) No
  15. 15.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 450 g. Does it meet the criterion? (a) No (b) Yes
  16. 16.🔍 Which is the odd one out? (a) spend at most ₹100 (b) float for 1 minute (c) keep ice for 1 hour (d) roll at least 2 metres
  17. 17.True or false: “hold up 500 g” is a constraint (a limit). (a) False (b) True
  18. 18.True or false: “finish in 40 minutes” is a criterion (a goal). (a) False (b) True
  19. 19.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a constraint (b) a criterion
  20. 20.📋 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
  21. 21.True or false: “use at most 20 straws” is a criterion (a goal). (a) False (b) True
  22. 22.📋 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
  23. 23.🔍 Which is the odd one out? (a) float for 1 minute (b) hold up 500 g (c) keep ice for 1 hour (d) use only paper and tape
  24. 24.🔍 Which is the odd one out? (a) hold up 500 g (b) carry 10 coins (c) fit on a school desk (d) keep ice for 1 hour
  25. 25.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
  26. 26.📋 Your team’s budget is ₹80. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  27. 27.True or false: “fit on a school desk” is a criterion (a goal). (a) False (b) True
  28. 28.📋 Your team’s budget is ₹75. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  29. 29.📋 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
  30. 30.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 850 g. Does it meet the criterion? (a) No (b) Yes
  31. 31.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 800 g. Does it meet the criterion? (a) No (b) Yes
  32. 32.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint
  33. 33.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 66 cm tall. Is it within the constraint? (a) Yes (b) No
  34. 34.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
  35. 35.📋 Your team’s budget is ₹117. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  36. 36.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 70 cm tall. Is it within the constraint? (a) No (b) Yes
  37. 37.True or false: “stand in a fan breeze” is a constraint (a limit). (a) False (b) True
  38. 38.📋 Your team’s budget is ₹38. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  39. 39.True or false: “lift a cup of water” is a constraint (a limit). (a) False (b) True
  40. 40.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a criterion (b) a constraint

Answer key

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

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