Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 253 · 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: “lift a cup of water” is a constraint (a limit). (a) True (b) False
2. 2.True or false: “spend at most ₹100” is a criterion (a goal). (a) True (b) False
3. 3.🔍 Which is the odd one out? (a) stand in a fan breeze (b) carry 10 coins (c) hold up 500 g (d) fit on a school desk
4. 4.True or false: “fit on a school desk” is a constraint (a limit). (a) False (b) True
5. 5.📋 Your team’s budget is ₹36. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
6. 6.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 106 cm tall. Is it within the constraint? (a) Yes (b) No
7. 7.📋 Criteria are … (a) goals a design must meet (b) the team names (c) the limits on money (d) the tools you use
8. 8.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
9. 9.📋 Your team’s budget is ₹52. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
10. 10.True or false: “roll at least 2 metres” is a criterion (a goal). (a) False (b) True
11. 11.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a criterion (b) a constraint
12. 12.📋 A constraint is … (a) a final test (b) a limit you must keep to (c) a kind of glue (d) a goal for success
13. 13.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) only if it is red (b) no, it breaks a limit (c) yes, it works (d) yes, always
14. 14.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
15. 15.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
16. 16.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 650 g. Does it meet the criterion? (a) No (b) Yes
17. 17.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
18. 18.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) True (b) False
19. 19.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
20. 20.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a criterion (b) a constraint
21. 21.📋 Your team’s budget is ₹34. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
22. 22.📋 Your team’s budget is ₹49. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
23. 23.🔍 Which is the odd one out? (a) fit on a school desk (b) use at most 20 straws (c) finish in 40 minutes (d) lift a cup of water
24. 24.📋 Your team’s budget is ₹61. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
25. 25.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a constraint (b) a criterion
26. 26.True or false: “finish in 40 minutes” is a constraint (a limit). (a) True (b) False
27. 27.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
28. 28.🔍 Which is the odd one out? (a) be under 30 cm tall (b) carry 10 coins (c) use at most 20 straws (d) use only paper and tape
29. 29.True or false: “roll at least 2 metres” is a constraint (a limit). (a) False (b) True
30. 30.True or false: “be under 30 cm tall” is a constraint (a limit). (a) False (b) True
31. 31.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 90 cm tall. Is it within the constraint? (a) Yes (b) No
32. 32.📋 Your team’s budget is ₹28. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
33. 33.🔍 Which is the odd one out? (a) stand in a fan breeze (b) spend at most ₹100 (c) use at most 20 straws (d) use only paper and tape
34. 34.📋 Your team’s budget is ₹37. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
35. 35.📋 Your team’s budget is ₹35. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
36. 36.📋 Your team’s budget is ₹82. You must buy one roll of tape for ₹20. Straws cost ₹4 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) roll at least 2 metres (c) use only paper and tape (d) carry 10 coins
38. 38.📋 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
39. 39.📋 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
40. 40.🔍 Which is the odd one out? (a) stand in a fan breeze (b) hold up 500 g (c) spend at most ₹100 (d) float for 1 minute

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