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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 200 · 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: “use at most 20 straws” is a criterion (a goal). (a) True (b) False
  2. 2.🔍 Which is the odd one out? (a) use at most 20 straws (b) fit on a school desk (c) float for 1 minute (d) spend at most ₹100
  3. 3.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 550 g. Does it meet the criterion? (a) No (b) Yes
  4. 4.📋 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
  5. 5.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
  6. 6.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 102 cm tall. Is it within the constraint? (a) No (b) Yes
  7. 7.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 800 g. Does it meet the criterion? (a) Yes (b) No
  8. 8.📋 Your team’s budget is ₹24. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  9. 9.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint
  10. 10.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a criterion (b) a constraint
  11. 11.True or false: “finish in 40 minutes” is a criterion (a goal). (a) True (b) False
  12. 12.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 450 g. Does it meet the criterion? (a) No (b) Yes
  13. 13.True or false: “hold up 500 g” is a constraint (a limit). (a) False (b) True
  14. 14.True or false: “stand in a fan breeze” is a criterion (a goal). (a) False (b) True
  15. 15.📋 Criteria are … (a) the limits on money (b) the tools you use (c) goals a design must meet (d) the team names
  16. 16.True or false: “finish in 40 minutes” is a constraint (a limit). (a) False (b) True
  17. 17.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
  18. 18.📋 A constraint is … (a) a final test (b) a kind of glue (c) a goal for success (d) a limit you must keep to
  19. 19.📋 Your team’s budget is ₹68. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  20. 20.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 750 g. Does it meet the criterion? (a) Yes (b) No
  21. 21.True or false: “carry 10 coins” is a criterion (a goal). (a) False (b) True
  22. 22.📋 Your team’s budget is ₹32. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  23. 23.True or false: “hold up 500 g” is a criterion (a goal). (a) True (b) False
  24. 24.📋 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
  25. 25.True or false: “fit on a school desk” is a criterion (a goal). (a) False (b) True
  26. 26.🔍 Which is the odd one out? (a) fit on a school desk (b) stand in a fan breeze (c) use at most 20 straws (d) spend at most ₹100
  27. 27.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) roll at least 2 metres (c) carry 10 coins (d) spend at most ₹100
  28. 28.🔍 Which is the odd one out? (a) stand in a fan breeze (b) keep ice for 1 hour (c) carry 10 coins (d) use only paper and tape
  29. 29.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
  30. 30.📋 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
  31. 31.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 74 cm tall. Is it within the constraint? (a) Yes (b) No
  32. 32.True or false: “use at most 20 straws” is a constraint (a limit). (a) True (b) False
  33. 33.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 32 cm tall. Is it within the constraint? (a) No (b) Yes
  34. 34.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
  35. 35.🔍 Which is the odd one out? (a) use only paper and tape (b) spend at most ₹100 (c) carry 10 coins (d) use at most 20 straws
  36. 36.📋 Your team’s budget is ₹60. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  37. 37.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
  38. 38.📋 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
  39. 39.🔍 Which is the odd one out? (a) be under 30 cm tall (b) keep ice for 1 hour (c) finish in 40 minutes (d) use only paper and tape
  40. 40.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 44 cm tall. Is it within the constraint? (a) Yes (b) No

Answer key

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

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