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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 647 · 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”.

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  1. 1.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
  2. 2.📋 Criteria are … (a) the team names (b) goals a design must meet (c) the limits on money (d) the tools you use
  3. 3.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 28 cm tall. Is it within the constraint? (a) No (b) Yes
  4. 4.📋 Your team’s budget is ₹128. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  5. 5.📋 Your team’s budget is ₹96. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  6. 6.📋 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
  7. 7.True or false: “hold up 500 g” is a constraint (a limit). (a) False (b) True
  8. 8.🔍 Which is the odd one out? (a) spend at most ₹100 (b) be under 30 cm tall (c) use only paper and tape (d) stand in a fan breeze
  9. 9.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
  10. 10.True or false: “spend at most ₹100” is a criterion (a goal). (a) False (b) True
  11. 11.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 84 cm tall. Is it within the constraint? (a) No (b) Yes
  12. 12.True or false: “carry 10 coins” is a criterion (a goal). (a) False (b) True
  13. 13.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) True (b) False
  14. 14.True or false: “lift a cup of water” is a criterion (a goal). (a) True (b) False
  15. 15.📋 A constraint is … (a) a limit you must keep to (b) a kind of glue (c) a goal for success (d) a final test
  16. 16.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint
  17. 17.True or false: “carry 10 coins” is a constraint (a limit). (a) True (b) False
  18. 18.🔍 Which is the odd one out? (a) carry 10 coins (b) finish in 40 minutes (c) stand in a fan breeze (d) roll at least 2 metres
  19. 19.📋 Your team’s budget is ₹29. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  20. 20.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 54 cm tall. Is it within the constraint? (a) Yes (b) No
  21. 21.📋 Your team’s budget is ₹33. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  22. 22.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
  23. 23.True or false: “use at most 20 straws” is a constraint (a limit). (a) True (b) False
  24. 24.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 46 cm tall. Is it within the constraint? (a) Yes (b) No
  25. 25.True or false: “finish in 40 minutes” is a constraint (a limit). (a) True (b) False
  26. 26.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 84 cm tall. Is it within the constraint? (a) Yes (b) No
  27. 27.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
  28. 28.🔍 Which is the odd one out? (a) lift a cup of water (b) use only paper and tape (c) roll at least 2 metres (d) keep ice for 1 hour
  29. 29.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
  30. 30.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 26 cm tall. Is it within the constraint? (a) Yes (b) No
  31. 31.📋 Your team’s budget is ₹55. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  32. 32.🔍 Which is the odd one out? (a) float for 1 minute (b) carry 10 coins (c) fit on a school desk (d) roll at least 2 metres
  33. 33.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 40 cm tall. Is it within the constraint? (a) Yes (b) No
  34. 34.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a constraint (b) a criterion
  35. 35.📋 Your team’s budget is ₹39. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  36. 36.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 600 g. Does it meet the criterion? (a) No (b) Yes
  37. 37.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 800 g. Does it meet the criterion? (a) Yes (b) No
  38. 38.🔍 Which is the odd one out? (a) fit on a school desk (b) finish in 40 minutes (c) use only paper and tape (d) hold up 500 g
  39. 39.True or false: “roll at least 2 metres” is a criterion (a goal). (a) True (b) False
  40. 40.True or false: “finish in 40 minutes” is a criterion (a goal). (a) True (b) False

Answer key

  1. a constraint
  2. goals a design must meet
  3. Yes
  4. 27
  5. 20
  6. No
  7. False
  8. stand in a fan breeze
  9. a constraint
  10. False
  11. No
  12. True
  13. True
  14. True
  15. a limit you must keep to
  16. a criterion
  17. False
  18. finish in 40 minutes
  19. 24
  20. Yes
  21. 7
  22. a criterion
  23. True
  24. No
  25. True
  26. Yes
  27. a criterion
  28. use only paper and tape
  29. a constraint
  30. Yes
  31. 8
  32. fit on a school desk
  33. Yes
  34. a constraint
  35. 9
  36. Yes
  37. Yes
  38. hold up 500 g
  39. True
  40. False

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