Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 43 · 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 “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
2. 2.📋 A constraint is … (a) a goal for success (b) a final test (c) a kind of glue (d) a limit you must keep to
3. 3.📋 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
4. 4.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
5. 5.📋 Your team’s budget is ₹94. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
6. 6.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
7. 7.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a criterion (b) a constraint
8. 8.True or false: “fit on a school desk” is a constraint (a limit). (a) False (b) True
9. 9.📋 Your team’s budget is ₹69. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
10. 10.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
11. 11.📋 Your team’s budget is ₹123. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
12. 12.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 58 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) spend at most ₹100 (d) roll at least 2 metres
14. 14.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) finish in 40 minutes (c) carry 10 coins (d) hold up 500 g
15. 15.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
16. 16.True or false: “float for 1 minute” is a criterion (a goal). (a) True (b) False
17. 17.📋 Your team’s budget is ₹72. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
18. 18.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) True (b) False
19. 19.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
20. 20.📋 Criteria are … (a) the limits on money (b) the team names (c) goals a design must meet (d) the tools you use
21. 21.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 250 g. Does it meet the criterion? (a) No (b) Yes
22. 22.📋 Your team’s budget is ₹42. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
23. 23.📋 Your team’s budget is ₹104. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
24. 24.📋 Your team’s budget is ₹113. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
25. 25.📋 Your team’s budget is ₹33. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
26. 26.🔍 Which is the odd one out? (a) stand in a fan breeze (b) fit on a school desk (c) use only paper and tape (d) use at most 20 straws
27. 27.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 200 g. Does it meet the criterion? (a) Yes (b) No
28. 28.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 96 cm tall. Is it within the constraint? (a) No (b) Yes
29. 29.📋 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
30. 30.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 64 cm tall. Is it within the constraint? (a) No (b) Yes
31. 31.True or false: “hold up 500 g” is a constraint (a limit). (a) False (b) True
32. 32.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 50 cm tall. Is it within the constraint? (a) No (b) Yes
33. 33.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
34. 34.🔍 Which is the odd one out? (a) carry 10 coins (b) spend at most ₹100 (c) use only paper and tape (d) finish in 40 minutes
35. 35.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a criterion (b) a constraint
36. 36.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
37. 37.📋 Your team’s budget is ₹47. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
38. 38.True or false: “finish in 40 minutes” is a constraint (a limit). (a) True (b) False
39. 39.📋 Your team’s budget is ₹42. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
40. 40.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 86 cm tall. Is it within the constraint? (a) No (b) Yes

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