Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 511 · 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.True or false: “finish in 40 minutes” is a criterion (a goal). (a) True (b) False
2. 2.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a criterion (b) a constraint
3. 3.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a constraint (b) a criterion
4. 4.🔍 Which is the odd one out? (a) finish in 40 minutes (b) stand in a fan breeze (c) be under 30 cm tall (d) use at most 20 straws
5. 5.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 88 cm tall. Is it within the constraint? (a) No (b) Yes
6. 6.🔍 Which is the odd one out? (a) lift a cup of water (b) be under 30 cm tall (c) use at most 20 straws (d) fit on a school desk
7. 7.True or false: “be under 30 cm tall” is a constraint (a limit). (a) True (b) False
8. 8.🔍 Which is the odd one out? (a) use at most 20 straws (b) finish in 40 minutes (c) carry 10 coins (d) use only paper and tape
9. 9.True or false: “spend at most ₹100” is a criterion (a goal). (a) True (b) False
10. 10.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 54 cm tall. Is it within the constraint? (a) Yes (b) No
11. 11.True or false: “be under 30 cm tall” is a criterion (a goal). (a) True (b) False
12. 12.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 850 g. Does it meet the criterion? (a) Yes (b) No
13. 13.📋 Your team’s budget is ₹89. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
14. 14.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
15. 15.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 950 g. Does it meet the criterion? (a) No (b) Yes
16. 16.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
17. 17.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
18. 18.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 106 cm tall. Is it within the constraint? (a) Yes (b) No
19. 19.True or false: “lift a cup of water” is a criterion (a goal). (a) True (b) False
20. 20.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 950 g. Does it meet the criterion? (a) Yes (b) No
21. 21.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, it works (b) only if it is red (c) no, it breaks a limit (d) yes, always
22. 22.📋 Your team’s budget is ₹55. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
23. 23.🔍 Which is the odd one out? (a) hold up 500 g (b) fit on a school desk (c) use only paper and tape (d) be under 30 cm tall
24. 24.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 66 cm tall. Is it within the constraint? (a) Yes (b) No
25. 25.True or false: “use at most 20 straws” is a criterion (a goal). (a) False (b) True
26. 26.True or false: “float for 1 minute” is a criterion (a goal). (a) True (b) False
27. 27.📋 A constraint is … (a) a goal for success (b) a kind of glue (c) a final test (d) a limit you must keep to
28. 28.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 150 g. Does it meet the criterion? (a) No (b) Yes
29. 29.📋 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
30. 30.🔍 Which is the odd one out? (a) spend at most ₹100 (b) fit on a school desk (c) finish in 40 minutes (d) float for 1 minute
31. 31.🔍 Which is the odd one out? (a) fit on a school desk (b) use at most 20 straws (c) keep ice for 1 hour (d) finish in 40 minutes
32. 32.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
33. 33.📋 Your team’s budget is ₹73. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
34. 34.📋 Criteria are … (a) goals a design must meet (b) the team names (c) the limits on money (d) the tools you use
35. 35.📋 Your team’s budget is ₹22. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
36. 36.🔍 Which is the odd one out? (a) use only paper and tape (b) stand in a fan breeze (c) keep ice for 1 hour (d) hold up 500 g
37. 37.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 54 cm tall. Is it within the constraint? (a) No (b) Yes
38. 38.📋 Your team’s budget is ₹65. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
39. 39.📋 Your team’s budget is ₹56. You must buy one roll of tape for ₹15. Straws cost ₹2 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) Yes (b) No

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