Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 584 · 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.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 700 g. Does it meet the criterion? (a) No (b) Yes
2. 2.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
3. 3.📋 Your team’s budget is ₹56. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
4. 4.📋 Criteria are … (a) the limits on money (b) goals a design must meet (c) the team names (d) the tools you use
5. 5.📋 A constraint is … (a) a final test (b) a kind of glue (c) a goal for success (d) a limit you must keep to
6. 6.🔍 Which is the odd one out? (a) use at most 20 straws (b) spend at most ₹100 (c) float for 1 minute (d) finish in 40 minutes
7. 7.📋 Your team’s budget is ₹36. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
8. 8.🔍 Which is the odd one out? (a) hold up 500 g (b) fit on a school desk (c) lift a cup of water (d) stand in a fan breeze
9. 9.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) lift a cup of water (c) roll at least 2 metres (d) use only paper and tape
10. 10.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
11. 11.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) stand in a fan breeze (c) lift a cup of water (d) be under 30 cm tall
12. 12.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) False (b) True
13. 13.🔍 Which is the odd one out? (a) spend at most ₹100 (b) be under 30 cm tall (c) carry 10 coins (d) use at most 20 straws
14. 14.📋 Your team’s budget is ₹112. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
15. 15.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
16. 16.🔍 Which is the odd one out? (a) spend at most ₹100 (b) use only paper and tape (c) be under 30 cm tall (d) roll at least 2 metres
17. 17.📋 Your team’s budget is ₹33. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
18. 18.True or false: “spend at most ₹100” is a criterion (a goal). (a) False (b) True
19. 19.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 106 cm tall. Is it within the constraint? (a) No (b) Yes
20. 20.📋 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
21. 21.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
22. 22.📋 Your team’s budget is ₹71. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
23. 23.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 32 cm tall. Is it within the constraint? (a) No (b) Yes
24. 24.📋 Your team’s budget is ₹100. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
25. 25.True or false: “spend at most ₹100” is a constraint (a limit). (a) True (b) False
26. 26.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) False (b) True
27. 27.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 750 g. Does it meet the criterion? (a) Yes (b) No
28. 28.📋 Your team’s budget is ₹36. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
29. 29.📋 Your team’s budget is ₹54. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
30. 30.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 350 g. Does it meet the criterion? (a) Yes (b) No
31. 31.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
32. 32.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 56 cm tall. Is it within the constraint? (a) No (b) Yes
33. 33.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 950 g. Does it meet the criterion? (a) Yes (b) No
34. 34.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 650 g. Does it meet the criterion? (a) No (b) Yes
35. 35.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 50 g. Does it meet the criterion? (a) Yes (b) No
36. 36.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
37. 37.📋 Your team’s budget is ₹19. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
38. 38.📋 Your team’s budget is ₹99. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
39. 39.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 150 g. Does it meet the criterion? (a) Yes (b) No
40. 40.🔍 Which is the odd one out? (a) use at most 20 straws (b) use only paper and tape (c) be under 30 cm tall (d) hold up 500 g

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