Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 838 · 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.📋 A constraint is … (a) a final test (b) a goal for success (c) a kind of glue (d) a limit you must keep to
2. 2.📋 Your team’s budget is ₹88. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
3. 3.📋 Your team’s budget is ₹40. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
4. 4.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 900 g. Does it meet the criterion? (a) Yes (b) No
5. 5.🔍 Which is the odd one out? (a) finish in 40 minutes (b) roll at least 2 metres (c) use at most 20 straws (d) fit on a school desk
6. 6.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 150 g. Does it meet the criterion? (a) Yes (b) No
7. 7.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
8. 8.📋 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
9. 9.📋 Your team’s budget is ₹33. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
10. 10.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1000 g. Does it meet the criterion? (a) No (b) Yes
11. 11.🔍 Which is the odd one out? (a) finish in 40 minutes (b) keep ice for 1 hour (c) use at most 20 straws (d) spend at most ₹100
12. 12.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a criterion (b) a constraint
13. 13.True or false: “lift a cup of water” is a criterion (a goal). (a) False (b) True
14. 14.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
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.True or false: “use at most 20 straws” is a constraint (a limit). (a) True (b) False
17. 17.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
18. 18.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False
19. 19.📋 Criteria are … (a) the team names (b) the limits on money (c) the tools you use (d) goals a design must meet
20. 20.📋 Your team’s budget is ₹28. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
21. 21.📋 Your team’s budget is ₹139. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
22. 22.📋 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?
23. 23.📋 Your team’s budget is ₹135. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
24. 24.🔍 Which is the odd one out? (a) lift a cup of water (b) spend at most ₹100 (c) use only paper and tape (d) use at most 20 straws
25. 25.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 86 cm tall. Is it within the constraint? (a) Yes (b) No
26. 26.📋 Your team’s budget is ₹82. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
27. 27.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 350 g. Does it meet the criterion? (a) Yes (b) No
28. 28.📋 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) only if it is red (d) yes, always
29. 29.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 24 cm tall. Is it within the constraint? (a) Yes (b) No
30. 30.📋 Your team’s budget is ₹43. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
31. 31.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint
32. 32.True or false: “use only paper and tape” is a constraint (a limit). (a) False (b) True
33. 33.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 300 g. Does it meet the criterion? (a) No (b) Yes
34. 34.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1100 g. Does it meet the criterion? (a) No (b) Yes
35. 35.🔍 Which is the odd one out? (a) finish in 40 minutes (b) fit on a school desk (c) use at most 20 straws (d) carry 10 coins
36. 36.True or false: “roll at least 2 metres” is a constraint (a limit). (a) False (b) True
37. 37.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
38. 38.📋 Your team’s budget is ₹45. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
39. 39.📋 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
40. 40.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion

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