Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 997 · 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.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
2. 2.True or false: “be under 30 cm tall” is a criterion (a goal). (a) True (b) False
3. 3.📋 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
4. 4.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) True (b) False
5. 5.📋 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?
6. 6.🔍 Which is the odd one out? (a) fit on a school desk (b) use at most 20 straws (c) stand in a fan breeze (d) be under 30 cm tall
7. 7.True or false: “float for 1 minute” is a constraint (a limit). (a) False (b) True
8. 8.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
9. 9.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
10. 10.📋 A constraint is … (a) a limit you must keep to (b) a goal for success (c) a kind of glue (d) a final test
11. 11.📋 Your team’s budget is ₹38. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
12. 12.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a criterion (b) a constraint
13. 13.📋 Criteria are … (a) the tools you use (b) the limits on money (c) the team names (d) goals a design must meet
14. 14.🔍 Which is the odd one out? (a) finish in 40 minutes (b) fit on a school desk (c) spend at most ₹100 (d) keep ice for 1 hour
15. 15.🔍 Which is the odd one out? (a) spend at most ₹100 (b) lift a cup of water (c) use only paper and tape (d) fit on a school desk
16. 16.📋 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) no, it breaks a limit (d) yes, always
17. 17.📋 Your team’s budget is ₹45. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
18. 18.True or false: “use at most 20 straws” is a criterion (a goal). (a) False (b) True
19. 19.True or false: “be under 30 cm tall” is a constraint (a limit). (a) True (b) False
20. 20.📋 Your team’s budget is ₹79. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
21. 21.📋 Your team’s budget is ₹106. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?
22. 22.📋 Your team’s budget is ₹59. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
23. 23.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
24. 24.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
25. 25.📋 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
26. 26.True or false: “hold up 500 g” is a criterion (a goal). (a) True (b) False
27. 27.📋 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
28. 28.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 44 cm tall. Is it within the constraint? (a) No (b) Yes
29. 29.📋 Your team’s budget is ₹35. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
30. 30.🔍 Which is the odd one out? (a) spend at most ₹100 (b) lift a cup of water (c) hold up 500 g (d) float for 1 minute
31. 31.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
32. 32.🔍 Which is the odd one out? (a) float for 1 minute (b) use at most 20 straws (c) roll at least 2 metres (d) stand in a fan breeze
33. 33.📋 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
34. 34.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
35. 35.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 82 cm tall. Is it within the constraint? (a) No (b) Yes
36. 36.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 58 cm tall. Is it within the constraint? (a) No (b) Yes
37. 37.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False
38. 38.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 96 cm tall. Is it within the constraint? (a) Yes (b) No
39. 39.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 102 cm tall. Is it within the constraint? (a) Yes (b) No
40. 40.🔍 Which is the odd one out? (a) fit on a school desk (b) be under 30 cm tall (c) use only paper and tape (d) hold up 500 g

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