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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 158 · 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: “fit on a school desk” is a criterion (a goal). (a) False (b) True
  2. 2.📋 A constraint is … (a) a limit you must keep to (b) a kind of glue (c) a goal for success (d) a final test
  3. 3.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
  4. 4.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1150 g. Does it meet the criterion? (a) Yes (b) No
  5. 5.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
  6. 6.🔍 Which is the odd one out? (a) use at most 20 straws (b) lift a cup of water (c) hold up 500 g (d) carry 10 coins
  7. 7.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
  8. 8.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 68 cm tall. Is it within the constraint? (a) No (b) Yes
  9. 9.True or false: “roll at least 2 metres” is a constraint (a limit). (a) False (b) True
  10. 10.True or false: “carry 10 coins” is a criterion (a goal). (a) True (b) False
  11. 11.📋 Criteria are … (a) the limits on money (b) the team names (c) goals a design must meet (d) the tools you use
  12. 12.🔍 Which is the odd one out? (a) use at most 20 straws (b) be under 30 cm tall (c) fit on a school desk (d) keep ice for 1 hour
  13. 13.🔍 Which is the odd one out? (a) float for 1 minute (b) lift a cup of water (c) roll at least 2 metres (d) fit on a school desk
  14. 14.True or false: “finish in 40 minutes” is a constraint (a limit). (a) False (b) True
  15. 15.True or false: “lift a cup of water” is a constraint (a limit). (a) True (b) False
  16. 16.📋 Your team’s budget is ₹130. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  17. 17.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 150 g. Does it meet the criterion? (a) No (b) Yes
  18. 18.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
  19. 19.True or false: “be under 30 cm tall” is a criterion (a goal). (a) True (b) False
  20. 20.📋 Your team’s budget is ₹39. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  21. 21.True or false: “hold up 500 g” is a criterion (a goal). (a) False (b) True
  22. 22.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 36 cm tall. Is it within the constraint? (a) Yes (b) No
  23. 23.True or false: “stand in a fan breeze” is a criterion (a goal). (a) False (b) True
  24. 24.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 42 cm tall. Is it within the constraint? (a) Yes (b) No
  25. 25.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
  26. 26.📋 Your team’s budget is ₹97. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  27. 27.True or false: “roll at least 2 metres” is a criterion (a goal). (a) True (b) False
  28. 28.🔍 Which is the odd one out? (a) hold up 500 g (b) finish in 40 minutes (c) float for 1 minute (d) stand in a fan breeze
  29. 29.True or false: “fit on a school desk” is a constraint (a limit). (a) True (b) False
  30. 30.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 750 g. Does it meet the criterion? (a) Yes (b) No
  31. 31.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 52 cm tall. Is it within the constraint? (a) Yes (b) No
  32. 32.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) only if it is red (b) yes, always (c) no, it breaks a limit (d) yes, it works
  33. 33.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) roll at least 2 metres (c) hold up 500 g (d) be under 30 cm tall
  34. 34.True or false: “use at most 20 straws” is a constraint (a limit). (a) False (b) True
  35. 35.🔍 Which is the odd one out? (a) finish in 40 minutes (b) be under 30 cm tall (c) use only paper and tape (d) float for 1 minute
  36. 36.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 300 g. Does it meet the criterion? (a) Yes (b) No
  37. 37.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 82 cm tall. Is it within the constraint? (a) Yes (b) No
  38. 38.🔍 Which is the odd one out? (a) be under 30 cm tall (b) carry 10 coins (c) fit on a school desk (d) use only paper and tape
  39. 39.🔍 Which is the odd one out? (a) use only paper and tape (b) lift a cup of water (c) finish in 40 minutes (d) be under 30 cm tall
  40. 40.📋 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

Answer key

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

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