Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 378 · 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 “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
2. 2.📋 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
3. 3.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 62 cm tall. Is it within the constraint? (a) No (b) Yes
4. 4.🔍 Which is the odd one out? (a) finish in 40 minutes (b) lift a cup of water (c) use only paper and tape (d) spend at most ₹100
5. 5.True or false: “fit on a school desk” is a criterion (a goal). (a) True (b) False
6. 6.📋 Criteria are … (a) the team names (b) the tools you use (c) goals a design must meet (d) the limits on money
7. 7.📋 Your team’s budget is ₹55. You must buy one roll of tape for ₹10. Straws cost ₹4 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) True (b) False
9. 9.🔍 Which is the odd one out? (a) hold up 500 g (b) spend at most ₹100 (c) lift a cup of water (d) float for 1 minute
10. 10.📋 Your team’s budget is ₹102. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
11. 11.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
12. 12.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 500 g. Does it meet the criterion? (a) Yes (b) No
13. 13.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
14. 14.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
15. 15.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) False (b) True
16. 16.True or false: “finish in 40 minutes” is a constraint (a limit). (a) True (b) False
17. 17.🔍 Which is the odd one out? (a) use at most 20 straws (b) finish in 40 minutes (c) stand in a fan breeze (d) fit on a school desk
18. 18.True or false: “be under 30 cm tall” is a criterion (a goal). (a) False (b) True
19. 19.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, it works (b) no, it breaks a limit (c) only if it is red (d) yes, always
20. 20.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 82 cm tall. Is it within the constraint? (a) Yes (b) No
21. 21.True or false: “lift a cup of water” is a constraint (a limit). (a) False (b) True
22. 22.🔍 Which is the odd one out? (a) finish in 40 minutes (b) hold up 500 g (c) use at most 20 straws (d) use only paper and tape
23. 23.True or false: “stand in a fan breeze” is a criterion (a goal). (a) False (b) True
24. 24.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 550 g. Does it meet the criterion? (a) Yes (b) No
25. 25.📋 Your team’s budget is ₹91. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
26. 26.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) True (b) False
27. 27.🔍 Which is the odd one out? (a) roll at least 2 metres (b) use at most 20 straws (c) keep ice for 1 hour (d) float for 1 minute
28. 28.📋 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
29. 29.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 90 cm tall. Is it within the constraint? (a) Yes (b) No
30. 30.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a criterion (b) a constraint
31. 31.True or false: “use at most 20 straws” is a criterion (a goal). (a) False (b) True
32. 32.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 600 g. Does it meet the criterion? (a) Yes (b) No
33. 33.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) finish in 40 minutes (c) use at most 20 straws (d) fit on a school desk
34. 34.🔍 Which is the odd one out? (a) finish in 40 minutes (b) roll at least 2 metres (c) lift a cup of water (d) stand in a fan breeze
35. 35.📋 Your team’s budget is ₹61. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
36. 36.True or false: “fit on a school desk” is a constraint (a limit). (a) True (b) False
37. 37.📋 Your team’s budget is ₹95. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
38. 38.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
39. 39.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 650 g. Does it meet the criterion? (a) No (b) Yes
40. 40.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 150 g. Does it meet the criterion? (a) No (b) Yes

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