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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 376 · 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.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, it works (b) no, it breaks a limit (c) only if it is red (d) yes, always
  2. 2.True or false: “hold up 500 g” is a constraint (a limit). (a) False (b) True
  3. 3.True or false: “use at most 20 straws” is a criterion (a goal). (a) False (b) True
  4. 4.True or false: “fit on a school desk” is a criterion (a goal). (a) True (b) False
  5. 5.📋 Criteria are … (a) the team names (b) the tools you use (c) goals a design must meet (d) the limits on money
  6. 6.True or false: “fit on a school desk” is a constraint (a limit). (a) True (b) False
  7. 7.True or false: “be under 30 cm tall” is a constraint (a limit). (a) False (b) True
  8. 8.🔍 Which is the odd one out? (a) float for 1 minute (b) fit on a school desk (c) use at most 20 straws (d) use only paper and tape
  9. 9.🔍 Which is the odd one out? (a) carry 10 coins (b) stand in a fan breeze (c) roll at least 2 metres (d) spend at most ₹100
  10. 10.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 24 cm tall. Is it within the constraint? (a) No (b) Yes
  11. 11.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 42 cm tall. Is it within the constraint? (a) No (b) Yes
  12. 12.🔍 Which is the odd one out? (a) spend at most ₹100 (b) fit on a school desk (c) keep ice for 1 hour (d) use only paper and tape
  13. 13.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion
  14. 14.True or false: “roll at least 2 metres” is a criterion (a goal). (a) False (b) True
  15. 15.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
  16. 16.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 72 cm tall. Is it within the constraint? (a) Yes (b) No
  17. 17.📋 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
  18. 18.True or false: “finish in 40 minutes” is a criterion (a goal). (a) True (b) False
  19. 19.📋 A constraint is … (a) a final test (b) a kind of glue (c) a limit you must keep to (d) a goal for success
  20. 20.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint
  21. 21.True or false: “spend at most ₹100” is a constraint (a limit). (a) True (b) False
  22. 22.📋 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?
  23. 23.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 550 g. Does it meet the criterion? (a) No (b) Yes
  24. 24.🔍 Which is the odd one out? (a) fit on a school desk (b) float for 1 minute (c) keep ice for 1 hour (d) hold up 500 g
  25. 25.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 550 g. Does it meet the criterion? (a) Yes (b) No
  26. 26.📋 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
  27. 27.🔍 Which is the odd one out? (a) hold up 500 g (b) keep ice for 1 hour (c) roll at least 2 metres (d) finish in 40 minutes
  28. 28.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a criterion (b) a constraint
  29. 29.📋 Your team’s budget is ₹92. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  30. 30.📋 Your team’s budget is ₹84. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  31. 31.📋 Your team’s budget is ₹139. 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.📋 Your team’s budget is ₹51. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  33. 33.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 350 g. Does it meet the criterion? (a) No (b) Yes
  34. 34.True or false: “float for 1 minute” is a constraint (a limit). (a) False (b) True
  35. 35.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) False (b) True
  36. 36.🔍 Which is the odd one out? (a) carry 10 coins (b) keep ice for 1 hour (c) float for 1 minute (d) use only paper and tape
  37. 37.True or false: “spend at most ₹100” is a criterion (a goal). (a) True (b) False
  38. 38.📋 Your team’s budget is ₹19. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  39. 39.📋 Your team’s budget is ₹16. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  40. 40.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 900 g. Does it meet the criterion? (a) Yes (b) No

Answer key

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

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