Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 987 · 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 design meets every criterion but costs more than the budget. Is it acceptable? (a) only if it is red (b) yes, it works (c) yes, always (d) no, it breaks a limit
2. 2.📋 Your team’s budget is ₹131. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
3. 3.📋 Your team’s budget is ₹34. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
4. 4.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
5. 5.📋 A constraint is … (a) a kind of glue (b) a goal for success (c) a final test (d) a limit you must keep to
6. 6.📋 Criteria are … (a) the limits on money (b) the tools you use (c) goals a design must meet (d) the team names
7. 7.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
8. 8.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 58 cm tall. Is it within the constraint? (a) No (b) Yes
9. 9.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 66 cm tall. Is it within the constraint? (a) No (b) Yes
10. 10.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 104 cm tall. Is it within the constraint? (a) No (b) Yes
11. 11.📋 Your team’s budget is ₹46. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
12. 12.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
13. 13.True or false: “fit on a school desk” is a criterion (a goal). (a) False (b) True
14. 14.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 44 cm tall. Is it within the constraint? (a) No (b) Yes
15. 15.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 450 g. Does it meet the criterion? (a) No (b) Yes
16. 16.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 850 g. Does it meet the criterion? (a) No (b) Yes
17. 17.True or false: “roll at least 2 metres” is a constraint (a limit). (a) False (b) True
18. 18.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 250 g. Does it meet the criterion? (a) No (b) Yes
19. 19.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
20. 20.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 68 cm tall. Is it within the constraint? (a) No (b) Yes
21. 21.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) True (b) False
22. 22.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 350 g. Does it meet the criterion? (a) No (b) Yes
23. 23.True or false: “lift a cup of water” is a constraint (a limit). (a) True (b) False
24. 24.📋 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
25. 25.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 66 cm tall. Is it within the constraint? (a) Yes (b) No
26. 26.📋 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
27. 27.True or false: “use only paper and tape” is a criterion (a goal). (a) False (b) True
28. 28.📋 Your team’s budget is ₹37. 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.True or false: “roll at least 2 metres” is a criterion (a goal). (a) False (b) True
30. 30.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 550 g. Does it meet the criterion? (a) No (b) Yes
31. 31.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
32. 32.True or false: “lift a cup of water” is a criterion (a goal). (a) False (b) True
33. 33.True or false: “use only paper and tape” is a constraint (a limit). (a) False (b) True
34. 34.📋 Your team’s budget is ₹106. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
35. 35.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 52 cm tall. Is it within the constraint? (a) Yes (b) No
36. 36.📋 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
37. 37.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a constraint (b) a criterion
38. 38.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
39. 39.📋 Your team’s budget is ₹59. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
40. 40.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) fit on a school desk (c) finish in 40 minutes (d) use only paper and tape

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