Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 348 · 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 “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
2. 2.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
3. 3.True or false: “use at most 20 straws” is a constraint (a limit). (a) False (b) True
4. 4.🔍 Which is the odd one out? (a) use only paper and tape (b) spend at most ₹100 (c) fit on a school desk (d) carry 10 coins
5. 5.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 900 g. Does it meet the criterion? (a) Yes (b) No
6. 6.📋 A constraint is … (a) a final test (b) a kind of glue (c) a goal for success (d) a limit you must keep to
7. 7.📋 Your team’s budget is ₹150. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
8. 8.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) False (b) True
9. 9.📋 Your team’s budget is ₹49. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
10. 10.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint
11. 11.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
12. 12.📋 Your team’s budget is ₹151. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
13. 13.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 54 cm tall. Is it within the constraint? (a) No (b) Yes
14. 14.True or false: “float for 1 minute” is a constraint (a limit). (a) True (b) False
15. 15.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) False (b) True
16. 16.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 64 cm tall. Is it within the constraint? (a) No (b) Yes
17. 17.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 600 g. Does it meet the criterion? (a) Yes (b) No
18. 18.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
19. 19.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
20. 20.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 350 g. Does it meet the criterion? (a) Yes (b) No
21. 21.🔍 Which is the odd one out? (a) finish in 40 minutes (b) use only paper and tape (c) fit on a school desk (d) stand in a fan breeze
22. 22.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 56 cm tall. Is it within the constraint? (a) Yes (b) No
23. 23.📋 Your team’s budget is ₹73. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
24. 24.True or false: “finish in 40 minutes” is a criterion (a goal). (a) True (b) False
25. 25.📋 Criteria are … (a) the tools you use (b) the team names (c) the limits on money (d) goals a design must meet
26. 26.True or false: “hold up 500 g” is a constraint (a limit). (a) True (b) False
27. 27.📋 Your team’s budget is ₹44. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
28. 28.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
29. 29.📋 Your team’s budget is ₹59. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
30. 30.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 600 g. Does it meet the criterion? (a) Yes (b) No
31. 31.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 650 g. Does it meet the criterion? (a) Yes (b) No
32. 32.📋 Your team’s budget is ₹125. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?
33. 33.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 36 cm tall. Is it within the constraint? (a) Yes (b) No
34. 34.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
35. 35.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 600 g. Does it meet the criterion? (a) No (b) Yes
36. 36.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) no, it breaks a limit (b) only if it is red (c) yes, always (d) yes, it works
37. 37.True or false: “fit on a school desk” is a criterion (a goal). (a) False (b) True
38. 38.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
39. 39.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 70 cm tall. Is it within the constraint? (a) No (b) Yes
40. 40.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 52 cm tall. Is it within the constraint? (a) Yes (b) No

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