Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 110 · 40 questions

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”.

1. 1.True or false: “roll at least 2 metres” is a criterion (a goal). (a) True (b) False
2. 2.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a criterion (b) a constraint
3. 3.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
4. 4.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
5. 5.📋 Your team’s budget is ₹30. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
6. 6.🔍 Which is the odd one out? (a) roll at least 2 metres (b) stand in a fan breeze (c) use only paper and tape (d) carry 10 coins
7. 7.🔍 Which is the odd one out? (a) fit on a school desk (b) spend at most ₹100 (c) hold up 500 g (d) finish in 40 minutes
8. 8.📋 A constraint is … (a) a final test (b) a kind of glue (c) a limit you must keep to (d) a goal for success
9. 9.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion
10. 10.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) no, it breaks a limit (b) yes, it works (c) only if it is red (d) yes, always
11. 11.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 86 cm tall. Is it within the constraint? (a) No (b) Yes
12. 12.📋 Your team’s budget is ₹84. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
13. 13.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a constraint (b) a criterion
14. 14.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 76 cm tall. Is it within the constraint? (a) Yes (b) No
15. 15.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
16. 16.📋 Your team’s budget is ₹41. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
17. 17.📋 Criteria are … (a) the limits on money (b) the team names (c) the tools you use (d) goals a design must meet
18. 18.True or false: “fit on a school desk” is a criterion (a goal). (a) False (b) True
19. 19.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 750 g. Does it meet the criterion? (a) Yes (b) No
20. 20.True or false: “stand in a fan breeze” is a constraint (a limit). (a) False (b) True
21. 21.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a constraint (b) a criterion
22. 22.True or false: “spend at most ₹100” is a criterion (a goal). (a) False (b) True
23. 23.True or false: “use at most 20 straws” is a criterion (a goal). (a) False (b) True
24. 24.True or false: “hold up 500 g” is a constraint (a limit). (a) False (b) True
25. 25.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 72 cm tall. Is it within the constraint? (a) No (b) Yes
26. 26.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 102 cm tall. Is it within the constraint? (a) Yes (b) No
27. 27.True or false: “carry 10 coins” is a constraint (a limit). (a) False (b) True
28. 28.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 46 cm tall. Is it within the constraint? (a) Yes (b) No
29. 29.🔍 Which is the odd one out? (a) spend at most ₹100 (b) stand in a fan breeze (c) hold up 500 g (d) float for 1 minute
30. 30.📋 Your team’s budget is ₹61. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
31. 31.📋 Your team’s budget is ₹23. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
32. 32.📋 Your team’s budget is ₹70. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
33. 33.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a criterion (b) a constraint
34. 34.📋 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
35. 35.True or false: “carry 10 coins” is a criterion (a goal). (a) False (b) True
36. 36.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a criterion (b) a constraint
37. 37.📋 Your team’s budget is ₹53. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
38. 38.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 54 cm tall. Is it within the constraint? (a) No (b) Yes
39. 39.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
40. 40.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 650 g. Does it meet the criterion? (a) Yes (b) No

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