Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 32 · 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.True or false: “be under 30 cm tall” is a criterion (a goal). (a) True (b) False
2. 2.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 94 cm tall. Is it within the constraint? (a) Yes (b) No
3. 3.📋 Your team’s budget is ₹26. 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.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint
5. 5.🔍 Which is the odd one out? (a) use at most 20 straws (b) stand in a fan breeze (c) use only paper and tape (d) fit on a school desk
6. 6.🔍 Which is the odd one out? (a) spend at most ₹100 (b) hold up 500 g (c) use at most 20 straws (d) be under 30 cm tall
7. 7.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 36 cm tall. Is it within the constraint? (a) Yes (b) No
8. 8.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 150 g. Does it meet the criterion? (a) Yes (b) No
9. 9.📋 Your team’s budget is ₹30. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
10. 10.🔍 Which is the odd one out? (a) be under 30 cm tall (b) finish in 40 minutes (c) carry 10 coins (d) use only paper and tape
11. 11.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion
12. 12.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
13. 13.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 350 g. Does it meet the criterion? (a) Yes (b) No
14. 14.True or false: “float for 1 minute” is a criterion (a goal). (a) True (b) False
15. 15.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 86 cm tall. Is it within the constraint? (a) Yes (b) No
16. 16.📋 A constraint is … (a) a kind of glue (b) a limit you must keep to (c) a final test (d) a goal for success
17. 17.🔍 Which is the odd one out? (a) float for 1 minute (b) hold up 500 g (c) keep ice for 1 hour (d) spend at most ₹100
18. 18.🔍 Which is the odd one out? (a) stand in a fan breeze (b) fit on a school desk (c) hold up 500 g (d) roll at least 2 metres
19. 19.🔍 Which is the odd one out? (a) be under 30 cm tall (b) stand in a fan breeze (c) roll at least 2 metres (d) float for 1 minute
20. 20.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
21. 21.📋 Criteria are … (a) the team names (b) goals a design must meet (c) the limits on money (d) the tools you use
22. 22.True or false: “spend at most ₹100” is a constraint (a limit). (a) True (b) False
23. 23.True or false: “roll at least 2 metres” is a constraint (a limit). (a) False (b) True
24. 24.True or false: “float for 1 minute” is a constraint (a limit). (a) False (b) True
25. 25.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
26. 26.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
27. 27.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
28. 28.True or false: “be under 30 cm tall” is a constraint (a limit). (a) True (b) False
29. 29.🔍 Which is the odd one out? (a) float for 1 minute (b) spend at most ₹100 (c) use only paper and tape (d) finish in 40 minutes
30. 30.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
31. 31.📋 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
32. 32.📋 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
33. 33.🔍 Which is the odd one out? (a) lift a cup of water (b) use only paper and tape (c) carry 10 coins (d) roll at least 2 metres
34. 34.📋 Your team’s budget is ₹20. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
35. 35.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 54 cm tall. Is it within the constraint? (a) Yes (b) No
36. 36.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 850 g. Does it meet the criterion? (a) No (b) Yes
37. 37.📋 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
38. 38.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 300 g. Does it meet the criterion? (a) No (b) Yes
39. 39.🔍 Which is the odd one out? (a) roll at least 2 metres (b) spend at most ₹100 (c) use only paper and tape (d) finish in 40 minutes
40. 40.True or false: “stand in a fan breeze” is a criterion (a goal). (a) True (b) False

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