Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 113 · 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) fit on a school desk (b) keep ice for 1 hour (c) use only paper and tape (d) use at most 20 straws
2. 2.📋 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?
3. 3.📋 Criteria are … (a) the team names (b) the limits on money (c) goals a design must meet (d) the tools you use
4. 4.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
5. 5.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 34 cm tall. Is it within the constraint? (a) Yes (b) No
6. 6.📋 Your team’s budget is ₹33. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
7. 7.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
8. 8.📋 A constraint is … (a) a kind of glue (b) a limit you must keep to (c) a goal for success (d) a final test
9. 9.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 98 cm tall. Is it within the constraint? (a) Yes (b) No
10. 10.🔍 Which is the odd one out? (a) hold up 500 g (b) stand in a fan breeze (c) use only paper and tape (d) roll at least 2 metres
11. 11.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False
12. 12.📋 Your team’s budget is ₹55. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
13. 13.📋 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
14. 14.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
15. 15.📋 Your team’s budget is ₹94. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
16. 16.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 950 g. Does it meet the criterion? (a) Yes (b) No
17. 17.📋 Your team’s budget is ₹109. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
18. 18.📋 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
19. 19.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint
20. 20.True or false: “lift a cup of water” is a constraint (a limit). (a) True (b) False
21. 21.📋 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
22. 22.True or false: “float for 1 minute” is a constraint (a limit). (a) True (b) False
23. 23.📋 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
24. 24.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
25. 25.True or false: “roll at least 2 metres” is a constraint (a limit). (a) False (b) True
26. 26.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 750 g. Does it meet the criterion? (a) Yes (b) No
27. 27.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a constraint (b) a criterion
28. 28.📋 Your team’s budget is ₹38. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
29. 29.True or false: “hold up 500 g” is a criterion (a goal). (a) True (b) False
30. 30.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 350 g. Does it meet the criterion? (a) No (b) Yes
31. 31.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 62 cm tall. Is it within the constraint? (a) No (b) Yes
32. 32.True or false: “fit on a school desk” is a constraint (a limit). (a) True (b) False
33. 33.📋 Your team’s budget is ₹57. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
34. 34.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion
35. 35.📋 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
36. 36.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) True (b) False
37. 37.True or false: “roll at least 2 metres” is a criterion (a goal). (a) True (b) False
38. 38.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 300 g. Does it meet the criterion? (a) Yes (b) No
39. 39.True or false: “fit on a school desk” is a criterion (a goal). (a) True (b) False
40. 40.🔍 Which is the odd one out? (a) hold up 500 g (b) lift a cup of water (c) be under 30 cm tall (d) keep ice for 1 hour

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