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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 887 · 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.📋 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
  2. 2.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 90 cm tall. Is it within the constraint? (a) No (b) Yes
  3. 3.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
  4. 4.📋 Your team’s budget is ₹39. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  5. 5.📋 A constraint is … (a) a kind of glue (b) a limit you must keep to (c) a final test (d) a goal for success
  6. 6.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion
  7. 7.🔍 Which is the odd one out? (a) stand in a fan breeze (b) hold up 500 g (c) spend at most ₹100 (d) float for 1 minute
  8. 8.🔍 Which is the odd one out? (a) be under 30 cm tall (b) roll at least 2 metres (c) spend at most ₹100 (d) finish in 40 minutes
  9. 9.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 500 g. Does it meet the criterion? (a) Yes (b) No
  10. 10.True or false: “carry 10 coins” is a criterion (a goal). (a) True (b) False
  11. 11.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) False (b) True
  12. 12.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 48 cm tall. Is it within the constraint? (a) Yes (b) No
  13. 13.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) hold up 500 g (c) use at most 20 straws (d) float for 1 minute
  14. 14.📋 Your team’s budget is ₹68. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  15. 15.📋 Your team’s budget is ₹131. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  16. 16.📋 Your team’s budget is ₹61. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  17. 17.True or false: “fit on a school desk” is a criterion (a goal). (a) True (b) False
  18. 18.True or false: “float for 1 minute” is a criterion (a goal). (a) True (b) False
  19. 19.True or false: “be under 30 cm tall” is a constraint (a limit). (a) True (b) False
  20. 20.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a criterion (b) a constraint
  21. 21.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
  22. 22.📋 Your team’s budget is ₹96. 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) False (b) True
  24. 24.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 300 g. Does it meet the criterion? (a) No (b) Yes
  25. 25.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a criterion (b) a constraint
  26. 26.True or false: “use at most 20 straws” is a criterion (a goal). (a) True (b) False
  27. 27.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a criterion (b) a constraint
  28. 28.📋 Criteria are … (a) goals a design must meet (b) the tools you use (c) the team names (d) the limits on money
  29. 29.🔍 Which is the odd one out? (a) carry 10 coins (b) be under 30 cm tall (c) fit on a school desk (d) use only paper and tape
  30. 30.📋 Your team’s budget is ₹67. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  31. 31.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, always (b) no, it breaks a limit (c) only if it is red (d) yes, it works
  32. 32.True or false: “carry 10 coins” is a constraint (a limit). (a) True (b) False
  33. 33.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
  34. 34.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 750 g. Does it meet the criterion? (a) No (b) Yes
  35. 35.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
  36. 36.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 450 g. Does it meet the criterion? (a) Yes (b) No
  37. 37.📋 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
  38. 38.True or false: “be under 30 cm tall” is a criterion (a goal). (a) True (b) False
  39. 39.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 26 cm tall. Is it within the constraint? (a) No (b) Yes
  40. 40.True or false: “float for 1 minute” is a constraint (a limit). (a) False (b) True

Answer key

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

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