Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 590 · 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.🔍 Which is the odd one out? (a) hold up 500 g (b) keep ice for 1 hour (c) roll at least 2 metres (d) spend at most ₹100
2. 2.📋 Your team’s budget is ₹33. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
3. 3.True or false: “float for 1 minute” is a criterion (a goal). (a) True (b) False
4. 4.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) carry 10 coins (c) fit on a school desk (d) lift a cup of water
5. 5.True or false: “fit on a school desk” is a criterion (a goal). (a) False (b) True
6. 6.🔍 Which is the odd one out? (a) hold up 500 g (b) roll at least 2 metres (c) stand in a fan breeze (d) be under 30 cm tall
7. 7.🔍 Which is the odd one out? (a) spend at most ₹100 (b) use only paper and tape (c) carry 10 coins (d) fit on a school desk
8. 8.📋 Your team’s budget is ₹54. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
9. 9.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 100 g. Does it meet the criterion? (a) Yes (b) No
10. 10.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a criterion (b) a constraint
11. 11.📋 Your team’s budget is ₹65. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
12. 12.📋 A constraint is … (a) a kind of glue (b) a limit you must keep to (c) a final test (d) a goal for success
13. 13.True or false: “finish in 40 minutes” is a criterion (a goal). (a) True (b) False
14. 14.True or false: “roll at least 2 metres” is a criterion (a goal). (a) True (b) False
15. 15.True or false: “finish in 40 minutes” is a constraint (a limit). (a) True (b) False
16. 16.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 1050 g. Does it meet the criterion? (a) No (b) Yes
17. 17.True or false: “use at most 20 straws” is a criterion (a goal). (a) False (b) True
18. 18.📋 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
19. 19.True or false: “lift a cup of water” is a constraint (a limit). (a) False (b) True
20. 20.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 54 cm tall. Is it within the constraint? (a) No (b) Yes
21. 21.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) carry 10 coins (c) float for 1 minute (d) use at most 20 straws
22. 22.📋 Your team’s budget is ₹30. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
23. 23.📋 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
24. 24.📋 Your team’s budget is ₹84. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
25. 25.True or false: “fit on a school desk” is a constraint (a limit). (a) False (b) True
26. 26.📋 Criteria are … (a) the limits on money (b) the team names (c) the tools you use (d) goals a design must meet
27. 27.📋 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
28. 28.🔍 Which is the odd one out? (a) float for 1 minute (b) use only paper and tape (c) hold up 500 g (d) stand in a fan breeze
29. 29.🔍 Which is the odd one out? (a) finish in 40 minutes (b) lift a cup of water (c) roll at least 2 metres (d) hold up 500 g
30. 30.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
31. 31.📋 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
32. 32.📋 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
33. 33.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a criterion (b) a constraint
34. 34.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 650 g. Does it meet the criterion? (a) Yes (b) No
35. 35.📋 Your team’s budget is ₹112. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
36. 36.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
37. 37.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a criterion (b) a constraint
38. 38.📋 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
39. 39.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 750 g. Does it meet the criterion? (a) Yes (b) No
40. 40.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint

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