Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 686 · 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 “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
2. 2.📋 Your team’s budget is ₹20. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
3. 3.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, always (b) yes, it works (c) no, it breaks a limit (d) only if it is red
4. 4.📋 Criteria are … (a) the team names (b) the limits on money (c) the tools you use (d) goals a design must meet
5. 5.True or false: “finish in 40 minutes” is a constraint (a limit). (a) False (b) True
6. 6.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
7. 7.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 94 cm tall. Is it within the constraint? (a) No (b) Yes
8. 8.🔍 Which is the odd one out? (a) carry 10 coins (b) lift a cup of water (c) float for 1 minute (d) spend at most ₹100
9. 9.📋 Your team’s budget is ₹51. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
10. 10.True or false: “carry 10 coins” is a criterion (a goal). (a) False (b) True
11. 11.True or false: “float for 1 minute” is a constraint (a limit). (a) True (b) False
12. 12.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a criterion (b) a constraint
13. 13.📋 A constraint is … (a) a final test (b) a limit you must keep to (c) a goal for success (d) a kind of glue
14. 14.🔍 Which is the odd one out? (a) hold up 500 g (b) be under 30 cm tall (c) use only paper and tape (d) finish in 40 minutes
15. 15.True or false: “finish in 40 minutes” is a criterion (a goal). (a) False (b) True
16. 16.📋 Your team’s budget is ₹43. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
17. 17.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) False (b) True
18. 18.📋 Your team’s budget is ₹37. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
19. 19.🔍 Which is the odd one out? (a) be under 30 cm tall (b) float for 1 minute (c) fit on a school desk (d) spend at most ₹100
20. 20.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
21. 21.True or false: “roll at least 2 metres” is a constraint (a limit). (a) False (b) True
22. 22.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 38 cm tall. Is it within the constraint? (a) No (b) Yes
23. 23.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a criterion (b) a constraint
24. 24.🔍 Which is the odd one out? (a) fit on a school desk (b) carry 10 coins (c) use only paper and tape (d) use at most 20 straws
25. 25.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 750 g. Does it meet the criterion? (a) No (b) Yes
26. 26.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
27. 27.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 32 cm tall. Is it within the constraint? (a) No (b) Yes
28. 28.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
29. 29.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
30. 30.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 70 cm tall. Is it within the constraint? (a) No (b) Yes
31. 31.True or false: “use at most 20 straws” is a constraint (a limit). (a) False (b) True
32. 32.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) hold up 500 g (c) use only paper and tape (d) lift a cup of water
33. 33.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 200 g. Does it meet the criterion? (a) No (b) Yes
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.True or false: “lift a cup of water” is a criterion (a goal). (a) True (b) False
36. 36.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 92 cm tall. Is it within the constraint? (a) Yes (b) No
37. 37.📋 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
38. 38.🔍 Which is the odd one out? (a) float for 1 minute (b) hold up 500 g (c) be under 30 cm tall (d) roll at least 2 metres
39. 39.True or false: “carry 10 coins” is a constraint (a limit). (a) True (b) False
40. 40.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion

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