Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 871 · 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.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, it works (b) yes, always (c) no, it breaks a limit (d) only if it is red
2. 2.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 500 g. Does it meet the criterion? (a) No (b) Yes
3. 3.📋 Your team’s budget is ₹29. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
4. 4.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 900 g. Does it meet the criterion? (a) Yes (b) No
5. 5.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a constraint (b) a criterion
6. 6.📋 Your team’s budget is ₹30. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
7. 7.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) False (b) True
8. 8.🔍 Which is the odd one out? (a) spend at most ₹100 (b) be under 30 cm tall (c) finish in 40 minutes (d) roll at least 2 metres
9. 9.🔍 Which is the odd one out? (a) carry 10 coins (b) stand in a fan breeze (c) use at most 20 straws (d) float for 1 minute
10. 10.📋 A constraint is … (a) a kind of glue (b) a limit you must keep to (c) a final test (d) a goal for success
11. 11.True or false: “roll at least 2 metres” is a constraint (a limit). (a) False (b) True
12. 12.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
13. 13.🔍 Which is the odd one out? (a) fit on a school desk (b) stand in a fan breeze (c) use at most 20 straws (d) finish in 40 minutes
14. 14.📋 Your team’s budget is ₹29. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
15. 15.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 66 cm tall. Is it within the constraint? (a) No (b) Yes
16. 16.📋 Your team’s budget is ₹44. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
17. 17.🔍 Which is the odd one out? (a) be under 30 cm tall (b) finish in 40 minutes (c) hold up 500 g (d) spend at most ₹100
18. 18.True or false: “hold up 500 g” is a criterion (a goal). (a) False (b) True
19. 19.🔍 Which is the odd one out? (a) use at most 20 straws (b) float for 1 minute (c) use only paper and tape (d) finish in 40 minutes
20. 20.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 300 g. Does it meet the criterion? (a) Yes (b) No
21. 21.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
22. 22.📋 Your team’s budget is ₹130. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
23. 23.True or false: “lift a cup of water” is a criterion (a goal). (a) False (b) True
24. 24.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 40 cm tall. Is it within the constraint? (a) Yes (b) No
25. 25.📋 Your team’s budget is ₹98. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
26. 26.📋 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
27. 27.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 42 cm tall. Is it within the constraint? (a) Yes (b) No
28. 28.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
29. 29.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) True (b) False
30. 30.True or false: “spend at most ₹100” is a constraint (a limit). (a) True (b) False
31. 31.True or false: “lift a cup of water” is a constraint (a limit). (a) False (b) True
32. 32.🔍 Which is the odd one out? (a) spend at most ₹100 (b) stand in a fan breeze (c) hold up 500 g (d) carry 10 coins
33. 33.True or false: “fit on a school desk” is a constraint (a limit). (a) False (b) True
34. 34.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 650 g. Does it meet the criterion? (a) No (b) Yes
35. 35.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
36. 36.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a criterion (b) a constraint
37. 37.📋 Your team’s budget is ₹63. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
38. 38.True or false: “use at most 20 straws” is a constraint (a limit). (a) True (b) False
39. 39.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
40. 40.📋 Criteria are … (a) the tools you use (b) the limits on money (c) the team names (d) goals a design must meet

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