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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 307 · 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: “roll at least 2 metres” is a criterion (a goal). (a) False (b) True
  2. 2.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
  3. 3.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 200 g. Does it meet the criterion? (a) Yes (b) No
  4. 4.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
  5. 5.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 700 g. Does it meet the criterion? (a) Yes (b) No
  6. 6.📋 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, always (d) yes, it works
  7. 7.True or false: “stand in a fan breeze” is a criterion (a goal). (a) False (b) True
  8. 8.📋 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?
  9. 9.True or false: “be under 30 cm tall” is a criterion (a goal). (a) True (b) False
  10. 10.📋 Your team’s budget is ₹41. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  11. 11.📋 A constraint is … (a) a kind of glue (b) a limit you must keep to (c) a goal for success (d) a final test
  12. 12.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) carry 10 coins (c) roll at least 2 metres (d) use at most 20 straws
  13. 13.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) hold up 500 g (c) roll at least 2 metres (d) use only paper and tape
  14. 14.🔍 Which is the odd one out? (a) use at most 20 straws (b) carry 10 coins (c) be under 30 cm tall (d) use only paper and tape
  15. 15.📋 Your team’s budget is ₹13. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  16. 16.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 100 g. Does it meet the criterion? (a) Yes (b) No
  17. 17.🔍 Which is the odd one out? (a) use at most 20 straws (b) roll at least 2 metres (c) fit on a school desk (d) spend at most ₹100
  18. 18.🔍 Which is the odd one out? (a) finish in 40 minutes (b) use at most 20 straws (c) keep ice for 1 hour (d) spend at most ₹100
  19. 19.🔍 Which is the odd one out? (a) stand in a fan breeze (b) hold up 500 g (c) be under 30 cm tall (d) roll at least 2 metres
  20. 20.📋 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
  21. 21.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
  22. 22.📋 Your team’s budget is ₹27. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  23. 23.True or false: “fit on a school desk” is a criterion (a goal). (a) True (b) False
  24. 24.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 900 g. Does it meet the criterion? (a) No (b) Yes
  25. 25.📋 Your team’s budget is ₹100. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  26. 26.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) fit on a school desk (c) hold up 500 g (d) stand in a fan breeze
  27. 27.True or false: “finish in 40 minutes” is a criterion (a goal). (a) True (b) False
  28. 28.🔍 Which is the odd one out? (a) finish in 40 minutes (b) lift a cup of water (c) spend at most ₹100 (d) use at most 20 straws
  29. 29.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a criterion (b) a constraint
  30. 30.📋 Criteria are … (a) the tools you use (b) the team names (c) goals a design must meet (d) the limits on money
  31. 31.True or false: “float for 1 minute” is a criterion (a goal). (a) False (b) True
  32. 32.True or false: “lift a cup of water” is a criterion (a goal). (a) True (b) False
  33. 33.True or false: “use at most 20 straws” is a criterion (a goal). (a) True (b) False
  34. 34.True or false: “use only paper and tape” is a constraint (a limit). (a) False (b) True
  35. 35.📋 Your team’s budget is ₹51. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  36. 36.True or false: “hold up 500 g” is a criterion (a goal). (a) True (b) False
  37. 37.📋 Your team’s budget is ₹32. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  38. 38.True or false: “roll at least 2 metres” is a constraint (a limit). (a) False (b) True
  39. 39.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 400 g. Does it meet the criterion? (a) Yes (b) No
  40. 40.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 900 g. Does it meet the criterion? (a) No (b) Yes

Answer key

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

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