Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 176 · 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.📋 Criteria are … (a) the limits on money (b) the team names (c) goals a design must meet (d) the tools you use
2. 2.🔍 Which is the odd one out? (a) lift a cup of water (b) use at most 20 straws (c) keep ice for 1 hour (d) float for 1 minute
3. 3.📋 Your team’s budget is ₹18. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
4. 4.📋 Your team’s budget is ₹21. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
5. 5.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
6. 6.📋 Your team’s budget is ₹148. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
7. 7.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 88 cm tall. Is it within the constraint? (a) Yes (b) No
8. 8.📋 A constraint is … (a) a kind of glue (b) a goal for success (c) a final test (d) a limit you must keep to
9. 9.🔍 Which is the odd one out? (a) lift a cup of water (b) float for 1 minute (c) fit on a school desk (d) keep ice for 1 hour
10. 10.📋 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
11. 11.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint
12. 12.🔍 Which is the odd one out? (a) spend at most ₹100 (b) use only paper and tape (c) keep ice for 1 hour (d) fit on a school desk
13. 13.🔍 Which is the odd one out? (a) fit on a school desk (b) spend at most ₹100 (c) carry 10 coins (d) use only paper and tape
14. 14.True or false: “finish in 40 minutes” is a criterion (a goal). (a) False (b) True
15. 15.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
16. 16.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 250 g. Does it meet the criterion? (a) Yes (b) No
17. 17.True or false: “float for 1 minute” is a criterion (a goal). (a) True (b) False
18. 18.🔍 Which is the odd one out? (a) finish in 40 minutes (b) spend at most ₹100 (c) roll at least 2 metres (d) be under 30 cm tall
19. 19.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) no, it breaks a limit (b) yes, it works (c) yes, always (d) only if it is red
20. 20.📋 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
21. 21.📋 Your team’s budget is ₹45. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
22. 22.📋 Your team’s budget is ₹35. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
23. 23.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
24. 24.True or false: “use only paper and tape” is a constraint (a limit). (a) False (b) True
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) Yes (b) No
26. 26.📋 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
27. 27.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
28. 28.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 650 g. Does it meet the criterion? (a) Yes (b) No
29. 29.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a constraint (b) a criterion
30. 30.📋 Your team’s budget is ₹47. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
31. 31.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
32. 32.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
33. 33.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
34. 34.True or false: “roll at least 2 metres” is a criterion (a goal). (a) True (b) False
35. 35.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 92 cm tall. Is it within the constraint? (a) No (b) Yes
36. 36.📋 Your team’s budget is ₹109. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
37. 37.🔍 Which is the odd one out? (a) lift a cup of water (b) use only paper and tape (c) spend at most ₹100 (d) fit on a school desk
38. 38.📋 Your team’s budget is ₹55. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
39. 39.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 150 g. Does it meet the criterion? (a) No (b) Yes
40. 40.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 42 cm tall. Is it within the constraint? (a) Yes (b) No

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