Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 817 · 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 “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
2. 2.🔍 Which is the odd one out? (a) be under 30 cm tall (b) fit on a school desk (c) use at most 20 straws (d) lift a cup of water
3. 3.📋 A constraint is … (a) a final test (b) a limit you must keep to (c) a kind of glue (d) a goal for success
4. 4.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False
5. 5.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
6. 6.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
7. 7.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
8. 8.🔍 Which is the odd one out? (a) be under 30 cm tall (b) finish in 40 minutes (c) spend at most ₹100 (d) keep ice for 1 hour
9. 9.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 62 cm tall. Is it within the constraint? (a) Yes (b) No
10. 10.📋 Criteria are … (a) goals a design must meet (b) the tools you use (c) the limits on money (d) the team names
11. 11.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
12. 12.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) False (b) True
13. 13.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 46 cm tall. Is it within the constraint? (a) Yes (b) No
14. 14.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
15. 15.True or false: “spend at most ₹100” is a criterion (a goal). (a) False (b) True
16. 16.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
17. 17.📋 Your team’s budget is ₹53. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
18. 18.📋 Your team’s budget is ₹78. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
19. 19.📋 Your team’s budget is ₹54. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
20. 20.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 450 g. Does it meet the criterion? (a) Yes (b) No
21. 21.📋 Your team’s budget is ₹103. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
22. 22.True or false: “stand in a fan breeze” is a criterion (a goal). (a) True (b) False
23. 23.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 48 cm tall. Is it within the constraint? (a) No (b) Yes
24. 24.True or false: “float for 1 minute” is a constraint (a limit). (a) True (b) False
25. 25.🔍 Which is the odd one out? (a) spend at most ₹100 (b) hold up 500 g (c) carry 10 coins (d) roll at least 2 metres
26. 26.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, it works (b) yes, always (c) no, it breaks a limit (d) only if it is red
27. 27.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a criterion (b) a constraint
28. 28.📋 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
29. 29.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 900 g. Does it meet the criterion? (a) No (b) Yes
30. 30.🔍 Which is the odd one out? (a) be under 30 cm tall (b) use at most 20 straws (c) finish in 40 minutes (d) float for 1 minute
31. 31.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 700 g. Does it meet the criterion? (a) No (b) Yes
32. 32.🔍 Which is the odd one out? (a) fit on a school desk (b) finish in 40 minutes (c) spend at most ₹100 (d) roll at least 2 metres
33. 33.📋 Your team’s budget is ₹21. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
34. 34.📋 Your team’s budget is ₹35. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
35. 35.True or false: “use at most 20 straws” is a constraint (a limit). (a) True (b) False
36. 36.🔍 Which is the odd one out? (a) stand in a fan breeze (b) keep ice for 1 hour (c) float for 1 minute (d) use at most 20 straws
37. 37.📋 Your team’s budget is ₹20. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
38. 38.🔍 Which is the odd one out? (a) be under 30 cm tall (b) stand in a fan breeze (c) lift a cup of water (d) carry 10 coins
39. 39.True or false: “carry 10 coins” is a criterion (a goal). (a) True (b) False
40. 40.True or false: “spend at most ₹100” is a constraint (a limit). (a) True (b) False

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