Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 92 · 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.🔍 Which is the odd one out? (a) roll at least 2 metres (b) lift a cup of water (c) carry 10 coins (d) spend at most ₹100
2. 2.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, it works (b) yes, always (c) only if it is red (d) no, it breaks a limit
3. 3.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 600 g. Does it meet the criterion? (a) Yes (b) No
4. 4.True or false: “stand in a fan breeze” is a criterion (a goal). (a) False (b) True
5. 5.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 26 cm tall. Is it within the constraint? (a) No (b) Yes
6. 6.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 250 g. Does it meet the criterion? (a) Yes (b) No
7. 7.📋 Your team’s budget is ₹97. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
8. 8.📋 A constraint is … (a) a final test (b) a goal for success (c) a limit you must keep to (d) a kind of glue
9. 9.📋 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
10. 10.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
11. 11.🔍 Which is the odd one out? (a) fit on a school desk (b) roll at least 2 metres (c) spend at most ₹100 (d) use at most 20 straws
12. 12.True or false: “spend at most ₹100” is a constraint (a limit). (a) True (b) False
13. 13.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 1050 g. Does it meet the criterion? (a) Yes (b) No
14. 14.True or false: “finish in 40 minutes” is a criterion (a goal). (a) True (b) False
15. 15.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
16. 16.📋 Criteria are … (a) goals a design must meet (b) the limits on money (c) the team names (d) the tools you use
17. 17.🔍 Which is the odd one out? (a) spend at most ₹100 (b) use only paper and tape (c) lift a cup of water (d) use at most 20 straws
18. 18.True or false: “be under 30 cm tall” is a constraint (a limit). (a) False (b) True
19. 19.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 350 g. Does it meet the criterion? (a) No (b) Yes
20. 20.🔍 Which is the odd one out? (a) carry 10 coins (b) roll at least 2 metres (c) stand in a fan breeze (d) finish in 40 minutes
21. 21.🔍 Which is the odd one out? (a) be under 30 cm tall (b) lift a cup of water (c) float for 1 minute (d) keep ice for 1 hour
22. 22.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
23. 23.🔍 Which is the odd one out? (a) roll at least 2 metres (b) use at most 20 straws (c) carry 10 coins (d) hold up 500 g
24. 24.📋 Your team’s budget is ₹64. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
25. 25.📋 Your team’s budget is ₹167. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
26. 26.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 500 g. Does it meet the criterion? (a) Yes (b) No
27. 27.📋 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
28. 28.True or false: “use at most 20 straws” is a criterion (a goal). (a) True (b) False
29. 29.📋 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
30. 30.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
31. 31.📋 Your team’s budget is ₹25. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
32. 32.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
33. 33.📋 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
34. 34.📋 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
35. 35.🔍 Which is the odd one out? (a) use at most 20 straws (b) hold up 500 g (c) use only paper and tape (d) spend at most ₹100
36. 36.True or false: “stand in a fan breeze” is a constraint (a limit). (a) False (b) True
37. 37.📋 Your team’s budget is ₹91. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
38. 38.🔍 Which is the odd one out? (a) spend at most ₹100 (b) fit on a school desk (c) be under 30 cm tall (d) carry 10 coins
39. 39.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
40. 40.True or false: “be under 30 cm tall” is a criterion (a goal). (a) False (b) True

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