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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 379 · 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 “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
  2. 2.📋 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
  3. 3.📋 A constraint is … (a) a limit you must keep to (b) a kind of glue (c) a goal for success (d) a final test
  4. 4.🔍 Which is the odd one out? (a) use at most 20 straws (b) keep ice for 1 hour (c) finish in 40 minutes (d) fit on a school desk
  5. 5.📋 Criteria are … (a) goals a design must meet (b) the team names (c) the tools you use (d) the limits on money
  6. 6.📋 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
  7. 7.🔍 Which is the odd one out? (a) carry 10 coins (b) hold up 500 g (c) be under 30 cm tall (d) lift a cup of water
  8. 8.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 450 g. Does it meet the criterion? (a) Yes (b) No
  9. 9.True or false: “use at most 20 straws” is a constraint (a limit). (a) False (b) True
  10. 10.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 36 cm tall. Is it within the constraint? (a) No (b) Yes
  11. 11.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
  12. 12.📋 Your team’s budget is ₹71. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  13. 13.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
  14. 14.📋 Your team’s budget is ₹118. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  15. 15.📋 Your team’s budget is ₹47. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  16. 16.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
  17. 17.📋 Your team’s budget is ₹26. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  18. 18.🔍 Which is the odd one out? (a) lift a cup of water (b) use only paper and tape (c) stand in a fan breeze (d) carry 10 coins
  19. 19.True or false: “fit on a school desk” is a criterion (a goal). (a) True (b) False
  20. 20.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 74 cm tall. Is it within the constraint? (a) No (b) Yes
  21. 21.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 350 g. Does it meet the criterion? (a) Yes (b) No
  22. 22.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
  23. 23.True or false: “be under 30 cm tall” is a constraint (a limit). (a) True (b) False
  24. 24.🔍 Which is the odd one out? (a) use only paper and tape (b) be under 30 cm tall (c) float for 1 minute (d) use at most 20 straws
  25. 25.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 76 cm tall. Is it within the constraint? (a) Yes (b) No
  26. 26.📋 Your team’s budget is ₹79. 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.📋 Your team’s budget is ₹118. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  28. 28.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 550 g. Does it meet the criterion? (a) Yes (b) No
  29. 29.True or false: “finish in 40 minutes” is a criterion (a goal). (a) False (b) True
  30. 30.📋 Your team’s budget is ₹92. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  31. 31.True or false: “hold up 500 g” is a constraint (a limit). (a) False (b) True
  32. 32.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
  33. 33.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) False (b) True
  34. 34.True or false: “float for 1 minute” is a criterion (a goal). (a) False (b) True
  35. 35.📋 Your team’s budget is ₹45. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  36. 36.True or false: “use only paper and tape” is a constraint (a limit). (a) False (b) True
  37. 37.True or false: “finish in 40 minutes” is a constraint (a limit). (a) True (b) False
  38. 38.True or false: “lift a cup of water” is a criterion (a goal). (a) False (b) True
  39. 39.True or false: “be under 30 cm tall” is a criterion (a goal). (a) False (b) True
  40. 40.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion

Answer key

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

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