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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 51 · 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.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 64 cm tall. Is it within the constraint? (a) Yes (b) No
  2. 2.🔍 Which is the odd one out? (a) lift a cup of water (b) finish in 40 minutes (c) float for 1 minute (d) stand in a fan breeze
  3. 3.True or false: “lift a cup of water” is a criterion (a goal). (a) True (b) False
  4. 4.📋 A constraint is … (a) a limit you must keep to (b) a goal for success (c) a kind of glue (d) a final test
  5. 5.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) spend at most ₹100 (c) float for 1 minute (d) lift a cup of water
  6. 6.🔍 Which is the odd one out? (a) fit on a school desk (b) roll at least 2 metres (c) keep ice for 1 hour (d) float for 1 minute
  7. 7.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
  8. 8.True or false: “use at most 20 straws” is a constraint (a limit). (a) False (b) True
  9. 9.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 900 g. Does it meet the criterion? (a) Yes (b) No
  10. 10.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 94 cm tall. Is it within the constraint? (a) Yes (b) No
  11. 11.📋 Your team’s budget is ₹107. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  12. 12.True or false: “finish in 40 minutes” is a criterion (a goal). (a) True (b) False
  13. 13.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 950 g. Does it meet the criterion? (a) No (b) Yes
  14. 14.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 250 g. Does it meet the criterion? (a) No (b) Yes
  15. 15.True or false: “carry 10 coins” is a constraint (a limit). (a) False (b) True
  16. 16.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 34 cm tall. Is it within the constraint? (a) Yes (b) No
  17. 17.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
  18. 18.True or false: “be under 30 cm tall” is a constraint (a limit). (a) False (b) True
  19. 19.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
  20. 20.📋 Your team’s budget is ₹160. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  21. 21.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) True (b) False
  22. 22.📋 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
  23. 23.📋 Criteria are … (a) the limits on money (b) the tools you use (c) goals a design must meet (d) the team names
  24. 24.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
  25. 25.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint
  26. 26.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
  27. 27.📋 Your team’s budget is ₹111. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  28. 28.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 200 g. Does it meet the criterion? (a) Yes (b) No
  29. 29.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) False (b) True
  30. 30.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 600 g. Does it meet the criterion? (a) No (b) Yes
  31. 31.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 450 g. Does it meet the criterion? (a) No (b) Yes
  32. 32.📋 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
  33. 33.🔍 Which is the odd one out? (a) finish in 40 minutes (b) spend at most ₹100 (c) roll at least 2 metres (d) use at most 20 straws
  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 ₹26. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  36. 36.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 300 g. Does it meet the criterion? (a) Yes (b) No
  37. 37.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, it works (b) yes, always (c) no, it breaks a limit (d) only if it is red
  38. 38.🔍 Which is the odd one out? (a) fit on a school desk (b) finish in 40 minutes (c) hold up 500 g (d) use at most 20 straws
  39. 39.True or false: “fit on a school desk” is a constraint (a limit). (a) False (b) True
  40. 40.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 88 cm tall. Is it within the constraint? (a) Yes (b) No

Answer key

  1. No
  2. finish in 40 minutes
  3. True
  4. a limit you must keep to
  5. spend at most ₹100
  6. fit on a school desk
  7. a constraint
  8. True
  9. Yes
  10. Yes
  11. 20
  12. False
  13. No
  14. Yes
  15. False
  16. Yes
  17. a constraint
  18. True
  19. True
  20. 29
  21. False
  22. No
  23. goals a design must meet
  24. a constraint
  25. a criterion
  26. a criterion
  27. 20
  28. Yes
  29. True
  30. No
  31. No
  32. Yes
  33. roll at least 2 metres
  34. True
  35. 7
  36. Yes
  37. no, it breaks a limit
  38. hold up 500 g
  39. True
  40. Yes

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