Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 197 · 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.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a constraint (b) a criterion
2. 2.📋 Your team’s budget is ₹50. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
3. 3.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
4. 4.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a criterion (b) a constraint
5. 5.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 94 cm tall. Is it within the constraint? (a) No (b) Yes
6. 6.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 350 g. Does it meet the criterion? (a) No (b) Yes
7. 7.📋 Your team’s budget is ₹28. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
8. 8.True or false: “carry 10 coins” is a constraint (a limit). (a) False (b) True
9. 9.True or false: “be under 30 cm tall” is a criterion (a goal). (a) False (b) True
10. 10.📋 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
11. 11.True or false: “hold up 500 g” is a constraint (a limit). (a) False (b) True
12. 12.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
13. 13.📋 Your team’s budget is ₹62. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
14. 14.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
15. 15.📋 Your team’s budget is ₹47. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
16. 16.🔍 Which is the odd one out? (a) lift a cup of water (b) fit on a school desk (c) use at most 20 straws (d) be under 30 cm tall
17. 17.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion
18. 18.🔍 Which is the odd one out? (a) be under 30 cm tall (b) finish in 40 minutes (c) hold up 500 g (d) use at most 20 straws
19. 19.🔍 Which is the odd one out? (a) stand in a fan breeze (b) be under 30 cm tall (c) keep ice for 1 hour (d) roll at least 2 metres
20. 20.📋 Your team’s budget is ₹25. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
21. 21.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 450 g. Does it meet the criterion? (a) No (b) Yes
22. 22.📋 A constraint is … (a) a kind of glue (b) a limit you must keep to (c) a goal for success (d) a final test
23. 23.True or false: “roll at least 2 metres” is a criterion (a goal). (a) False (b) True
24. 24.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
25. 25.📋 Your team’s budget is ₹60. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
26. 26.📋 Your team’s budget is ₹40. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
27. 27.True or false: “float for 1 minute” is a criterion (a goal). (a) False (b) True
28. 28.🔍 Which is the odd one out? (a) fit on a school desk (b) float for 1 minute (c) stand in a fan breeze (d) keep ice for 1 hour
29. 29.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, always (b) only if it is red (c) yes, it works (d) no, it breaks a limit
30. 30.📋 Criteria are … (a) the tools you use (b) the limits on money (c) the team names (d) goals a design must meet
31. 31.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
32. 32.🔍 Which is the odd one out? (a) spend at most ₹100 (b) use at most 20 straws (c) finish in 40 minutes (d) carry 10 coins
33. 33.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
34. 34.🔍 Which is the odd one out? (a) use only paper and tape (b) stand in a fan breeze (c) fit on a school desk (d) spend at most ₹100
35. 35.True or false: “fit on a school desk” is a constraint (a limit). (a) True (b) False
36. 36.📋 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
37. 37.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 30 cm tall. Is it within the constraint? (a) No (b) Yes
38. 38.True or false: “use at most 20 straws” is a constraint (a limit). (a) True (b) False
39. 39.True or false: “spend at most ₹100” is a criterion (a goal). (a) True (b) False
40. 40.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 84 cm tall. Is it within the constraint? (a) No (b) Yes

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