Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 314 · 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: “finish in 40 minutes” is a criterion (a goal). (a) True (b) False
2. 2.🔍 Which is the odd one out? (a) use only paper and tape (b) keep ice for 1 hour (c) hold up 500 g (d) roll at least 2 metres
3. 3.🔍 Which is the odd one out? (a) roll at least 2 metres (b) be under 30 cm tall (c) hold up 500 g (d) float for 1 minute
4. 4.📋 Your team’s budget is ₹27. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
5. 5.📋 Criteria are … (a) the limits on money (b) the team names (c) the tools you use (d) goals a design must meet
6. 6.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 250 g. Does it meet the criterion? (a) Yes (b) No
7. 7.🔍 Which is the odd one out? (a) use only paper and tape (b) use at most 20 straws (c) lift a cup of water (d) be under 30 cm tall
8. 8.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
9. 9.📋 Your team’s budget is ₹17. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
10. 10.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
11. 11.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
12. 12.🔍 Which is the odd one out? (a) be under 30 cm tall (b) spend at most ₹100 (c) finish in 40 minutes (d) roll at least 2 metres
13. 13.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
14. 14.True or false: “spend at most ₹100” is a constraint (a limit). (a) True (b) False
15. 15.True or false: “use only paper and tape” is a criterion (a goal). (a) False (b) True
16. 16.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 54 cm tall. Is it within the constraint? (a) No (b) Yes
17. 17.📋 Your team’s budget is ₹131. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
18. 18.📋 A constraint is … (a) a goal for success (b) a limit you must keep to (c) a final test (d) a kind of glue
19. 19.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, it works (b) only if it is red (c) no, it breaks a limit (d) yes, always
20. 20.True or false: “fit on a school desk” is a criterion (a goal). (a) True (b) False
21. 21.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
22. 22.True or false: “stand in a fan breeze” is a constraint (a limit). (a) False (b) True
23. 23.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
24. 24.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
25. 25.📋 Your team’s budget is ₹110. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
26. 26.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 1000 g. Does it meet the criterion? (a) Yes (b) No
27. 27.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
28. 28.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 650 g. Does it meet the criterion? (a) Yes (b) No
29. 29.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 60 cm tall. Is it within the constraint? (a) Yes (b) No
30. 30.True or false: “spend at most ₹100” is a criterion (a goal). (a) False (b) True
31. 31.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 650 g. Does it meet the criterion? (a) Yes (b) No
32. 32.🔍 Which is the odd one out? (a) use at most 20 straws (b) spend at most ₹100 (c) use only paper and tape (d) hold up 500 g
33. 33.True or false: “float for 1 minute” is a constraint (a limit). (a) True (b) False
34. 34.📋 Your team’s budget is ₹38. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
35. 35.🔍 Which is the odd one out? (a) lift a cup of water (b) stand in a fan breeze (c) fit on a school desk (d) keep ice for 1 hour
36. 36.🔍 Which is the odd one out? (a) stand in a fan breeze (b) spend at most ₹100 (c) use at most 20 straws (d) use only paper and tape
37. 37.True or false: “fit on a school desk” is a constraint (a limit). (a) True (b) False
38. 38.True or false: “use at most 20 straws” is a constraint (a limit). (a) True (b) False
39. 39.📋 Your team’s budget is ₹18. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
40. 40.📋 Your team’s budget is ₹59. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?

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