Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 519 · 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.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) only if it is red (b) yes, always (c) no, it breaks a limit (d) yes, it works
2. 2.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
3. 3.True or false: “lift a cup of water” is a criterion (a goal). (a) True (b) False
4. 4.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
5. 5.📋 Criteria are … (a) the limits on money (b) the team names (c) the tools you use (d) goals a design must meet
6. 6.True or false: “hold up 500 g” is a constraint (a limit). (a) True (b) False
7. 7.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
8. 8.🔍 Which is the odd one out? (a) stand in a fan breeze (b) hold up 500 g (c) be under 30 cm tall (d) lift a cup of water
9. 9.🔍 Which is the odd one out? (a) use at most 20 straws (b) finish in 40 minutes (c) be under 30 cm tall (d) carry 10 coins
10. 10.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 96 cm tall. Is it within the constraint? (a) No (b) Yes
11. 11.🔍 Which is the odd one out? (a) be under 30 cm tall (b) spend at most ₹100 (c) finish in 40 minutes (d) float for 1 minute
12. 12.🔍 Which is the odd one out? (a) lift a cup of water (b) finish in 40 minutes (c) carry 10 coins (d) stand in a fan breeze
13. 13.True or false: “finish in 40 minutes” is a criterion (a goal). (a) False (b) True
14. 14.📋 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
15. 15.📋 Your team’s budget is ₹39. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
16. 16.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
17. 17.📋 Your team’s budget is ₹106. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
18. 18.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
19. 19.📋 Your team’s budget is ₹105. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
20. 20.🔍 Which is the odd one out? (a) use at most 20 straws (b) finish in 40 minutes (c) hold up 500 g (d) be under 30 cm tall
21. 21.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 86 cm tall. Is it within the constraint? (a) No (b) Yes
22. 22.📋 A constraint is … (a) a goal for success (b) a kind of glue (c) a final test (d) a limit you must keep to
23. 23.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 300 g. Does it meet the criterion? (a) No (b) Yes
24. 24.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 750 g. Does it meet the criterion? (a) Yes (b) No
25. 25.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
26. 26.True or false: “use at most 20 straws” is a criterion (a goal). (a) True (b) False
27. 27.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 96 cm tall. Is it within the constraint? (a) Yes (b) No
28. 28.True or false: “fit on a school desk” is a criterion (a goal). (a) True (b) False
29. 29.True or false: “float for 1 minute” is a criterion (a goal). (a) False (b) True
30. 30.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 90 cm tall. Is it within the constraint? (a) No (b) Yes
31. 31.🔍 Which is the odd one out? (a) spend at most ₹100 (b) use only paper and tape (c) stand in a fan breeze (d) use at most 20 straws
32. 32.🔍 Which is the odd one out? (a) roll at least 2 metres (b) use only paper and tape (c) carry 10 coins (d) lift a cup of water
33. 33.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 450 g. Does it meet the criterion? (a) Yes (b) No
34. 34.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False
35. 35.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
36. 36.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
37. 37.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
38. 38.📋 Your team’s budget is ₹40. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
39. 39.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a criterion (b) a constraint
40. 40.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 38 cm tall. Is it within the constraint? (a) No (b) Yes

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