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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 242 · 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.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) hold up 500 g (c) spend at most ₹100 (d) lift a cup of water
  2. 2.🔍 Which is the odd one out? (a) be under 30 cm tall (b) hold up 500 g (c) fit on a school desk (d) use only paper and tape
  3. 3.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
  4. 4.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 40 cm tall. Is it within the constraint? (a) Yes (b) No
  5. 5.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
  6. 6.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a criterion (b) a constraint
  7. 7.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 50 g. Does it meet the criterion? (a) Yes (b) No
  8. 8.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a constraint (b) a criterion
  9. 9.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) False (b) True
  10. 10.📋 For a model bridge challenge, is “finish in 40 minutes” 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.True or false: “hold up 500 g” is a criterion (a goal). (a) True (b) False
  13. 13.True or false: “float for 1 minute” is a criterion (a goal). (a) True (b) False
  14. 14.True or false: “carry 10 coins” is a criterion (a goal). (a) True (b) False
  15. 15.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a criterion (b) a constraint
  16. 16.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) only if it is red (b) yes, it works (c) no, it breaks a limit (d) yes, always
  17. 17.📋 Criteria are … (a) goals a design must meet (b) the limits on money (c) the tools you use (d) the team names
  18. 18.📋 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
  19. 19.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a criterion (b) a constraint
  20. 20.📋 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
  21. 21.🔍 Which is the odd one out? (a) float for 1 minute (b) hold up 500 g (c) use only paper and tape (d) lift a cup of water
  22. 22.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 250 g. Does it meet the criterion? (a) No (b) Yes
  23. 23.📋 Your team’s budget is ₹38. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  24. 24.📋 Your team’s budget is ₹134. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  25. 25.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 96 cm tall. Is it within the constraint? (a) Yes (b) No
  26. 26.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 950 g. Does it meet the criterion? (a) No (b) Yes
  27. 27.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 76 cm tall. Is it within the constraint? (a) No (b) Yes
  28. 28.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
  29. 29.📋 A constraint is … (a) a final test (b) a limit you must keep to (c) a kind of glue (d) a goal for success
  30. 30.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
  31. 31.🔍 Which is the odd one out? (a) carry 10 coins (b) hold up 500 g (c) use at most 20 straws (d) lift a cup of water
  32. 32.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 850 g. Does it meet the criterion? (a) No (b) Yes
  33. 33.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 76 cm tall. Is it within the constraint? (a) No (b) Yes
  34. 34.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 38 cm tall. Is it within the constraint? (a) No (b) Yes
  35. 35.True or false: “stand in a fan breeze” is a criterion (a goal). (a) False (b) True
  36. 36.True or false: “spend at most ₹100” is a criterion (a goal). (a) True (b) False
  37. 37.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False
  38. 38.📋 Your team’s budget is ₹40. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
  39. 39.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 350 g. Does it meet the criterion? (a) Yes (b) No
  40. 40.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 66 cm tall. Is it within the constraint? (a) No (b) Yes

Answer key

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

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