Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 485 · 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 1000 g. In the test it held 850 g. Does it meet the criterion? (a) No (b) Yes
2. 2.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 200 g. Does it meet the criterion? (a) No (b) Yes
3. 3.🔍 Which is the odd one out? (a) use only paper and tape (b) use at most 20 straws (c) spend at most ₹100 (d) float for 1 minute
4. 4.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion
5. 5.True or false: “spend at most ₹100” is a criterion (a goal). (a) True (b) False
6. 6.True or false: “use only paper and tape” is a constraint (a limit). (a) False (b) True
7. 7.True or false: “finish in 40 minutes” is a constraint (a limit). (a) True (b) False
8. 8.🔍 Which is the odd one out? (a) finish in 40 minutes (b) roll at least 2 metres (c) float for 1 minute (d) hold up 500 g
9. 9.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 650 g. Does it meet the criterion? (a) Yes (b) No
10. 10.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) False (b) True
11. 11.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 34 cm tall. Is it within the constraint? (a) Yes (b) No
12. 12.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
13. 13.🔍 Which is the odd one out? (a) finish in 40 minutes (b) fit on a school desk (c) be under 30 cm tall (d) keep ice for 1 hour
14. 14.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, always (b) only if it is red (c) no, it breaks a limit (d) yes, it works
15. 15.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 400 g. Does it meet the criterion? (a) No (b) Yes
16. 16.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 52 cm tall. Is it within the constraint? (a) No (b) Yes
17. 17.🔍 Which is the odd one out? (a) hold up 500 g (b) fit on a school desk (c) be under 30 cm tall (d) use at most 20 straws
18. 18.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 76 cm tall. Is it within the constraint? (a) Yes (b) No
19. 19.📋 Your team’s budget is ₹61. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
20. 20.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 450 g. Does it meet the criterion? (a) No (b) Yes
21. 21.📋 Your team’s budget is ₹34. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
22. 22.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 900 g. Does it meet the criterion? (a) No (b) Yes
23. 23.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 300 g. Does it meet the criterion? (a) No (b) Yes
24. 24.True or false: “be under 30 cm tall” is a criterion (a goal). (a) False (b) True
25. 25.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a constraint (b) a criterion
26. 26.True or false: “carry 10 coins” is a criterion (a goal). (a) False (b) True
27. 27.📋 Your team’s budget is ₹70. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
28. 28.📋 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
29. 29.📋 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
30. 30.🔍 Which is the odd one out? (a) use at most 20 straws (b) carry 10 coins (c) float for 1 minute (d) hold up 500 g
31. 31.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 84 cm tall. Is it within the constraint? (a) No (b) Yes
32. 32.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 650 g. Does it meet the criterion? (a) Yes (b) No
33. 33.🔍 Which is the odd one out? (a) carry 10 coins (b) be under 30 cm tall (c) lift a cup of water (d) float for 1 minute
34. 34.True or false: “stand in a fan breeze” is a constraint (a limit). (a) False (b) True
35. 35.📋 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
36. 36.📋 Criteria are … (a) the tools you use (b) goals a design must meet (c) the limits on money (d) the team names
37. 37.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 46 cm tall. Is it within the constraint? (a) No (b) Yes
38. 38.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a criterion (b) a constraint
39. 39.📋 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
40. 40.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1000 g. Does it meet the criterion? (a) Yes (b) No

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