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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 77 · 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: “carry 10 coins” is a constraint (a limit). (a) True (b) False
  2. 2.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False
  3. 3.📋 Criteria are … (a) the team names (b) goals a design must meet (c) the tools you use (d) the limits on money
  4. 4.True or false: “finish in 40 minutes” is a criterion (a goal). (a) True (b) False
  5. 5.🔍 Which is the odd one out? (a) float for 1 minute (b) hold up 500 g (c) be under 30 cm tall (d) stand in a fan breeze
  6. 6.📋 A constraint is … (a) a final test (b) a kind of glue (c) a limit you must keep to (d) a goal for success
  7. 7.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
  8. 8.🔍 Which is the odd one out? (a) float for 1 minute (b) be under 30 cm tall (c) spend at most ₹100 (d) use only paper and tape
  9. 9.🔍 Which is the odd one out? (a) carry 10 coins (b) spend at most ₹100 (c) use only paper and tape (d) use at most 20 straws
  10. 10.True or false: “fit on a school desk” is a constraint (a limit). (a) True (b) False
  11. 11.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
  12. 12.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 34 cm tall. Is it within the constraint? (a) No (b) Yes
  13. 13.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 100 g. Does it meet the criterion? (a) No (b) Yes
  14. 14.True or false: “be under 30 cm tall” is a criterion (a goal). (a) False (b) True
  15. 15.True or false: “stand in a fan breeze” is a constraint (a limit). (a) False (b) True
  16. 16.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 86 cm tall. Is it within the constraint? (a) Yes (b) No
  17. 17.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 650 g. Does it meet the criterion? (a) No (b) Yes
  18. 18.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
  19. 19.📋 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
  20. 20.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) be under 30 cm tall (c) spend at most ₹100 (d) use only paper and tape
  21. 21.🔍 Which is the odd one out? (a) spend at most ₹100 (b) use at most 20 straws (c) roll at least 2 metres (d) finish in 40 minutes
  22. 22.🔍 Which is the odd one out? (a) roll at least 2 metres (b) hold up 500 g (c) use at most 20 straws (d) keep ice for 1 hour
  23. 23.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) no, it breaks a limit (b) only if it is red (c) yes, it works (d) yes, always
  24. 24.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 42 cm tall. Is it within the constraint? (a) Yes (b) No
  25. 25.True or false: “stand in a fan breeze” is a criterion (a goal). (a) False (b) True
  26. 26.📋 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
  27. 27.📋 Your team’s budget is ₹50. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  28. 28.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) True (b) False
  29. 29.📋 Your team’s budget is ₹25. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  30. 30.True or false: “use only paper and tape” is a constraint (a limit). (a) False (b) True
  31. 31.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
  32. 32.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 750 g. Does it meet the criterion? (a) Yes (b) No
  33. 33.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
  34. 34.📋 Your team’s budget is ₹48. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  35. 35.True or false: “spend at most ₹100” is a criterion (a goal). (a) True (b) False
  36. 36.📋 Your team’s budget is ₹25. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  37. 37.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1150 g. Does it meet the criterion? (a) No (b) Yes
  38. 38.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 300 g. Does it meet the criterion? (a) No (b) Yes
  39. 39.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
  40. 40.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 106 cm tall. Is it within the constraint? (a) Yes (b) No

Answer key

  1. False
  2. False
  3. goals a design must meet
  4. False
  5. be under 30 cm tall
  6. a limit you must keep to
  7. a criterion
  8. float for 1 minute
  9. carry 10 coins
  10. True
  11. a constraint
  12. No
  13. No
  14. False
  15. False
  16. No
  17. Yes
  18. a criterion
  19. Yes
  20. keep ice for 1 hour
  21. roll at least 2 metres
  22. use at most 20 straws
  23. no, it breaks a limit
  24. No
  25. True
  26. Yes
  27. 11
  28. False
  29. 5
  30. True
  31. a constraint
  32. Yes
  33. a constraint
  34. 16
  35. False
  36. 20
  37. Yes
  38. Yes
  39. a criterion
  40. No

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