Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 780 · 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.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 46 cm tall. Is it within the constraint? (a) Yes (b) No
2. 2.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, always (b) no, it breaks a limit (c) only if it is red (d) yes, it works
3. 3.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 56 cm tall. Is it within the constraint? (a) Yes (b) No
4. 4.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 600 g. Does it meet the criterion? (a) No (b) Yes
5. 5.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
6. 6.True or false: “spend at most ₹100” is a criterion (a goal). (a) True (b) False
7. 7.📋 Your team’s budget is ₹54. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
8. 8.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 98 cm tall. Is it within the constraint? (a) No (b) Yes
9. 9.📋 Your team’s budget is ₹104. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
10. 10.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
11. 11.📋 A constraint is … (a) a kind of glue (b) a goal for success (c) a final test (d) a limit you must keep to
12. 12.True or false: “roll at least 2 metres” is a constraint (a limit). (a) False (b) True
13. 13.True or false: “float for 1 minute” is a constraint (a limit). (a) False (b) True
14. 14.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 350 g. Does it meet the criterion? (a) Yes (b) No
15. 15.🔍 Which is the odd one out? (a) stand in a fan breeze (b) use at most 20 straws (c) roll at least 2 metres (d) keep ice for 1 hour
16. 16.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 400 g. Does it meet the criterion? (a) No (b) Yes
17. 17.📋 Your team’s budget is ₹57. 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 “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
19. 19.📋 Criteria are … (a) the limits on money (b) the tools you use (c) the team names (d) goals a design must meet
20. 20.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a constraint (b) a criterion
21. 21.🔍 Which is the odd one out? (a) be under 30 cm tall (b) spend at most ₹100 (c) use only paper and tape (d) hold up 500 g
22. 22.True or false: “stand in a fan breeze” is a constraint (a limit). (a) True (b) False
23. 23.🔍 Which is the odd one out? (a) use only paper and tape (b) finish in 40 minutes (c) carry 10 coins (d) spend at most ₹100
24. 24.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 64 cm tall. Is it within the constraint? (a) No (b) Yes
25. 25.True or false: “finish in 40 minutes” is a criterion (a goal). (a) True (b) False
26. 26.True or false: “hold up 500 g” is a constraint (a limit). (a) False (b) True
27. 27.📋 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
28. 28.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 102 cm tall. Is it within the constraint? (a) No (b) Yes
29. 29.📋 Your team’s budget is ₹107. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
30. 30.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
31. 31.📋 Your team’s budget is ₹26. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
32. 32.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 48 cm tall. Is it within the constraint? (a) Yes (b) No
33. 33.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a constraint (b) a criterion
34. 34.📋 Your team’s budget is ₹102. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
35. 35.True or false: “fit on a school desk” is a criterion (a goal). (a) False (b) True
36. 36.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 200 g. Does it meet the criterion? (a) Yes (b) No
37. 37.📋 Your team’s budget is ₹105. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
38. 38.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) True (b) False
39. 39.🔍 Which is the odd one out? (a) finish in 40 minutes (b) use only paper and tape (c) lift a cup of water (d) be under 30 cm tall
40. 40.True or false: “use at most 20 straws” is a constraint (a limit). (a) False (b) True

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