Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 806 · 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.📋 Your team’s budget is ₹83. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
2. 2.📋 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
3. 3.📋 Your team’s budget is ₹108. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
4. 4.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 500 g. Does it meet the criterion? (a) No (b) Yes
5. 5.📋 Your team’s budget is ₹23. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
6. 6.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 700 g. Does it meet the criterion? (a) No (b) Yes
7. 7.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 30 cm tall. Is it within the constraint? (a) Yes (b) No
8. 8.🔍 Which is the odd one out? (a) carry 10 coins (b) be under 30 cm tall (c) roll at least 2 metres (d) lift a cup of water
9. 9.True or false: “fit on a school desk” is a criterion (a goal). (a) True (b) False
10. 10.📋 Criteria are … (a) the tools you use (b) the limits on money (c) the team names (d) goals a design must meet
11. 11.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
12. 12.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) False (b) True
13. 13.📋 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
14. 14.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
15. 15.🔍 Which is the odd one out? (a) roll at least 2 metres (b) finish in 40 minutes (c) use only paper and tape (d) spend at most ₹100
16. 16.🔍 Which is the odd one out? (a) spend at most ₹100 (b) float for 1 minute (c) stand in a fan breeze (d) roll at least 2 metres
17. 17.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 34 cm tall. Is it within the constraint? (a) No (b) Yes
18. 18.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 450 g. Does it meet the criterion? (a) No (b) Yes
19. 19.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
20. 20.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 64 cm tall. Is it within the constraint? (a) No (b) Yes
21. 21.📋 A constraint is … (a) a kind of glue (b) a limit you must keep to (c) a final test (d) a goal for success
22. 22.True or false: “be under 30 cm tall” is a constraint (a limit). (a) True (b) False
23. 23.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
24. 24.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint
25. 25.📋 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
26. 26.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
27. 27.True or false: “finish in 40 minutes” is a constraint (a limit). (a) True (b) False
28. 28.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 34 cm tall. Is it within the constraint? (a) No (b) Yes
29. 29.📋 Your team’s budget is ₹41. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
30. 30.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
31. 31.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 300 g. Does it meet the criterion? (a) No (b) Yes
32. 32.True or false: “roll at least 2 metres” is a criterion (a goal). (a) True (b) False
33. 33.True or false: “float for 1 minute” is a constraint (a limit). (a) False (b) True
34. 34.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 56 cm tall. Is it within the constraint? (a) No (b) Yes
35. 35.📋 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
36. 36.True or false: “lift a cup of water” is a constraint (a limit). (a) False (b) True
37. 37.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 800 g. Does it meet the criterion? (a) No (b) Yes
38. 38.🔍 Which is the odd one out? (a) use at most 20 straws (b) use only paper and tape (c) stand in a fan breeze (d) spend at most ₹100
39. 39.True or false: “spend at most ₹100” is a criterion (a goal). (a) True (b) False
40. 40.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 84 cm tall. Is it within the constraint? (a) Yes (b) No

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