Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 951 · 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: “float for 1 minute” is a constraint (a limit). (a) True (b) False
2. 2.🔍 Which is the odd one out? (a) roll at least 2 metres (b) spend at most ₹100 (c) use at most 20 straws (d) use only paper and tape
3. 3.📋 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?
4. 4.🔍 Which is the odd one out? (a) hold up 500 g (b) spend at most ₹100 (c) fit on a school desk (d) use at most 20 straws
5. 5.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
6. 6.🔍 Which is the odd one out? (a) fit on a school desk (b) use only paper and tape (c) be under 30 cm tall (d) keep ice for 1 hour
7. 7.🔍 Which is the odd one out? (a) stand in a fan breeze (b) be under 30 cm tall (c) float for 1 minute (d) hold up 500 g
8. 8.📋 Criteria are … (a) the limits on money (b) the tools you use (c) the team names (d) goals a design must meet
9. 9.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
10. 10.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a criterion (b) a constraint
11. 11.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 100 cm tall. Is it within the constraint? (a) No (b) Yes
12. 12.True or false: “lift a cup of water” is a constraint (a limit). (a) True (b) False
13. 13.📋 Your team’s budget is ₹90. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
14. 14.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 86 cm tall. Is it within the constraint? (a) Yes (b) No
15. 15.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 600 g. Does it meet the criterion? (a) Yes (b) No
16. 16.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, it works (b) no, it breaks a limit (c) only if it is red (d) yes, always
17. 17.True or false: “use at most 20 straws” is a constraint (a limit). (a) False (b) True
18. 18.True or false: “finish in 40 minutes” is a criterion (a goal). (a) False (b) True
19. 19.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
20. 20.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
21. 21.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False
22. 22.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 400 g. Does it meet the criterion? (a) Yes (b) No
23. 23.📋 Your team’s budget is ₹88. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
24. 24.📋 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
25. 25.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
26. 26.True or false: “hold up 500 g” is a constraint (a limit). (a) True (b) False
27. 27.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
28. 28.📋 Your team’s budget is ₹24. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
29. 29.📋 Your team’s budget is ₹108. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
30. 30.True or false: “roll at least 2 metres” is a criterion (a goal). (a) False (b) True
31. 31.📋 Your team’s budget is ₹84. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
32. 32.True or false: “spend at most ₹100” is a criterion (a goal). (a) True (b) False
33. 33.🔍 Which is the odd one out? (a) use at most 20 straws (b) roll at least 2 metres (c) hold up 500 g (d) keep ice for 1 hour
34. 34.📋 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
35. 35.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 34 cm tall. Is it within the constraint? (a) No (b) Yes
36. 36.True or false: “finish in 40 minutes” is a constraint (a limit). (a) False (b) True
37. 37.📋 Your team’s budget is ₹119. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?
38. 38.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a criterion (b) a constraint
39. 39.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 96 cm tall. Is it within the constraint? (a) No (b) Yes
40. 40.📋 Your team’s budget is ₹59. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?

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