Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 417 · 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 constraint (a limit). (a) True (b) False
2. 2.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 46 cm tall. Is it within the constraint? (a) No (b) Yes
3. 3.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint
4. 4.True or false: “spend at most ₹100” is a criterion (a goal). (a) True (b) False
5. 5.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 64 cm tall. Is it within the constraint? (a) Yes (b) No
6. 6.🔍 Which is the odd one out? (a) finish in 40 minutes (b) use at most 20 straws (c) fit on a school desk (d) roll at least 2 metres
7. 7.True or false: “fit on a school desk” is a criterion (a goal). (a) True (b) False
8. 8.📋 Your team’s budget is ₹33. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
9. 9.📋 Criteria are … (a) the team names (b) the limits on money (c) the tools you use (d) goals a design must meet
10. 10.🔍 Which is the odd one out? (a) use at most 20 straws (b) carry 10 coins (c) spend at most ₹100 (d) finish in 40 minutes
11. 11.🔍 Which is the odd one out? (a) stand in a fan breeze (b) finish in 40 minutes (c) use only paper and tape (d) use at most 20 straws
12. 12.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
13. 13.True or false: “stand in a fan breeze” is a constraint (a limit). (a) False (b) True
14. 14.🔍 Which is the odd one out? (a) float for 1 minute (b) use at most 20 straws (c) keep ice for 1 hour (d) stand in a fan breeze
15. 15.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
16. 16.🔍 Which is the odd one out? (a) fit on a school desk (b) lift a cup of water (c) hold up 500 g (d) roll at least 2 metres
17. 17.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 650 g. Does it meet the criterion? (a) No (b) Yes
18. 18.True or false: “lift a cup of water” is a constraint (a limit). (a) False (b) True
19. 19.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 28 cm tall. Is it within the constraint? (a) No (b) Yes
20. 20.🔍 Which is the odd one out? (a) be under 30 cm tall (b) float for 1 minute (c) use only paper and tape (d) use at most 20 straws
21. 21.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
22. 22.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 500 g. Does it meet the criterion? (a) No (b) Yes
23. 23.🔍 Which is the odd one out? (a) carry 10 coins (b) be under 30 cm tall (c) hold up 500 g (d) float for 1 minute
24. 24.🔍 Which is the odd one out? (a) finish in 40 minutes (b) keep ice for 1 hour (c) carry 10 coins (d) roll at least 2 metres
25. 25.True or false: “carry 10 coins” is a criterion (a goal). (a) False (b) True
26. 26.📋 Your team’s budget is ₹69. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
27. 27.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
28. 28.🔍 Which is the odd one out? (a) use at most 20 straws (b) use only paper and tape (c) finish in 40 minutes (d) keep ice for 1 hour
29. 29.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
30. 30.True or false: “spend at most ₹100” is a constraint (a limit). (a) True (b) False
31. 31.True or false: “use only paper and tape” is a criterion (a goal). (a) False (b) True
32. 32.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) True (b) False
33. 33.📋 Your team’s budget is ₹41. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
34. 34.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
35. 35.True or false: “hold up 500 g” is a criterion (a goal). (a) True (b) False
36. 36.📋 A constraint is … (a) a goal for success (b) a kind of glue (c) a limit you must keep to (d) a final test
37. 37.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
38. 38.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 850 g. Does it meet the criterion? (a) Yes (b) No
39. 39.True or false: “stand in a fan breeze” is a criterion (a goal). (a) True (b) False
40. 40.📋 Your team’s budget is ₹50. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?

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