Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 619 · 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.📋 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
2. 2.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 700 g. Does it meet the criterion? (a) Yes (b) No
3. 3.True or false: “use only paper and tape” is a criterion (a goal). (a) False (b) True
4. 4.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 68 cm tall. Is it within the constraint? (a) Yes (b) No
5. 5.📋 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
6. 6.True or false: “float for 1 minute” is a criterion (a goal). (a) True (b) False
7. 7.True or false: “finish in 40 minutes” is a criterion (a goal). (a) True (b) False
8. 8.🔍 Which is the odd one out? (a) be under 30 cm tall (b) use at most 20 straws (c) finish in 40 minutes (d) hold up 500 g
9. 9.📋 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
10. 10.True or false: “lift a cup of water” is a criterion (a goal). (a) False (b) True
11. 11.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 32 cm tall. Is it within the constraint? (a) Yes (b) No
12. 12.🔍 Which is the odd one out? (a) hold up 500 g (b) carry 10 coins (c) roll at least 2 metres (d) spend at most ₹100
13. 13.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 850 g. Does it meet the criterion? (a) No (b) Yes
14. 14.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
15. 15.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 60 cm tall. Is it within the constraint? (a) Yes (b) No
16. 16.🔍 Which is the odd one out? (a) stand in a fan breeze (b) use only paper and tape (c) carry 10 coins (d) float for 1 minute
17. 17.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
18. 18.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
19. 19.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 36 cm tall. Is it within the constraint? (a) Yes (b) No
20. 20.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
21. 21.📋 Your team’s budget is ₹65. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
22. 22.📋 A constraint is … (a) a final test (b) a goal for success (c) a kind of glue (d) a limit you must keep to
23. 23.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 64 cm tall. Is it within the constraint? (a) Yes (b) No
24. 24.🔍 Which is the odd one out? (a) float for 1 minute (b) fit on a school desk (c) be under 30 cm tall (d) spend at most ₹100
25. 25.🔍 Which is the odd one out? (a) carry 10 coins (b) stand in a fan breeze (c) hold up 500 g (d) finish in 40 minutes
26. 26.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
27. 27.📋 Criteria are … (a) the limits on money (b) the team names (c) goals a design must meet (d) the tools you use
28. 28.True or false: “roll at least 2 metres” is a constraint (a limit). (a) False (b) True
29. 29.True or false: “spend at most ₹100” is a constraint (a limit). (a) True (b) False
30. 30.📋 Your team’s budget is ₹49. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
31. 31.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint
32. 32.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) True (b) False
33. 33.🔍 Which is the odd one out? (a) be under 30 cm tall (b) use only paper and tape (c) spend at most ₹100 (d) roll at least 2 metres
34. 34.📋 Your team’s budget is ₹39. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
35. 35.📋 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
36. 36.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
37. 37.📋 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?
38. 38.True or false: “lift a cup of water” is a constraint (a limit). (a) False (b) True
39. 39.📋 Your team’s budget is ₹39. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
40. 40.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 900 g. Does it meet the criterion? (a) Yes (b) No

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