Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 53 · 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 constraint is … (a) a kind of glue (b) a goal for success (c) a limit you must keep to (d) a final test
2. 2.True or false: “finish in 40 minutes” is a constraint (a limit). (a) True (b) False
3. 3.📋 Criteria are … (a) the limits on money (b) the team names (c) the tools you use (d) goals a design must meet
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.True or false: “use only paper and tape” is a criterion (a goal). (a) False (b) True
6. 6.📋 Your team’s budget is ₹35. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
7. 7.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
8. 8.🔍 Which is the odd one out? (a) spend at most ₹100 (b) finish in 40 minutes (c) lift a cup of water (d) use at most 20 straws
9. 9.True or false: “use at most 20 straws” is a criterion (a goal). (a) False (b) True
10. 10.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 92 cm tall. Is it within the constraint? (a) Yes (b) No
11. 11.📋 Your team’s budget is ₹22. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
12. 12.📋 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) yes, always (d) no, it breaks a limit
13. 13.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) True (b) False
14. 14.True or false: “stand in a fan breeze” is a criterion (a goal). (a) True (b) False
15. 15.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 550 g. Does it meet the criterion? (a) No (b) Yes
16. 16.True or false: “hold up 500 g” is a criterion (a goal). (a) False (b) True
17. 17.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
18. 18.🔍 Which is the odd one out? (a) be under 30 cm tall (b) stand in a fan breeze (c) use only paper and tape (d) fit on a school desk
19. 19.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) use only paper and tape (c) float for 1 minute (d) hold up 500 g
20. 20.True or false: “finish in 40 minutes” is a criterion (a goal). (a) False (b) True
21. 21.📋 Your team’s budget is ₹58. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
22. 22.📋 Your team’s budget is ₹52. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
23. 23.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 34 cm tall. Is it within the constraint? (a) No (b) Yes
24. 24.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 36 cm tall. Is it within the constraint? (a) No (b) Yes
25. 25.🔍 Which is the odd one out? (a) roll at least 2 metres (b) hold up 500 g (c) float for 1 minute (d) be under 30 cm tall
26. 26.🔍 Which is the odd one out? (a) spend at most ₹100 (b) use only paper and tape (c) hold up 500 g (d) fit on a school desk
27. 27.True or false: “stand in a fan breeze” is a constraint (a limit). (a) True (b) False
28. 28.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
29. 29.True or false: “carry 10 coins” is a constraint (a limit). (a) True (b) False
30. 30.🔍 Which is the odd one out? (a) carry 10 coins (b) keep ice for 1 hour (c) fit on a school desk (d) hold up 500 g
31. 31.True or false: “carry 10 coins” is a criterion (a goal). (a) False (b) True
32. 32.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 66 cm tall. Is it within the constraint? (a) No (b) Yes
33. 33.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a criterion (b) a constraint
34. 34.🔍 Which is the odd one out? (a) use at most 20 straws (b) carry 10 coins (c) stand in a fan breeze (d) hold up 500 g
35. 35.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
36. 36.📋 Your team’s budget is ₹20. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
37. 37.📋 Your team’s budget is ₹41. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
38. 38.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
39. 39.📋 Your team’s budget is ₹72. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
40. 40.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 1000 g. Does it meet the criterion? (a) Yes (b) No

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