Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 141 · 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.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
2. 2.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 150 g. Does it meet the criterion? (a) No (b) Yes
3. 3.📋 Your team’s budget is ₹64. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
4. 4.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 56 cm tall. Is it within the constraint? (a) No (b) Yes
5. 5.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 94 cm tall. Is it within the constraint? (a) No (b) Yes
6. 6.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 76 cm tall. Is it within the constraint? (a) Yes (b) No
7. 7.📋 Your team’s budget is ₹95. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
8. 8.True or false: “roll at least 2 metres” is a criterion (a goal). (a) True (b) False
9. 9.🔍 Which is the odd one out? (a) lift a cup of water (b) keep ice for 1 hour (c) finish in 40 minutes (d) stand in a fan breeze
10. 10.🔍 Which is the odd one out? (a) finish in 40 minutes (b) spend at most ₹100 (c) lift a cup of water (d) be under 30 cm tall
11. 11.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 950 g. Does it meet the criterion? (a) No (b) Yes
12. 12.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 550 g. Does it meet the criterion? (a) Yes (b) No
13. 13.True or false: “use at most 20 straws” is a constraint (a limit). (a) False (b) True
14. 14.🔍 Which is the odd one out? (a) be under 30 cm tall (b) use only paper and tape (c) use at most 20 straws (d) float for 1 minute
15. 15.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) carry 10 coins (c) use only paper and tape (d) stand in a fan breeze
16. 16.📋 A constraint is … (a) a limit you must keep to (b) a goal for success (c) a kind of glue (d) a final test
17. 17.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
18. 18.📋 Your team’s budget is ₹12. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
19. 19.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 78 cm tall. Is it within the constraint? (a) Yes (b) No
20. 20.📋 Your team’s budget is ₹97. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
21. 21.True or false: “spend at most ₹100” is a criterion (a goal). (a) False (b) True
22. 22.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 450 g. Does it meet the criterion? (a) Yes (b) No
23. 23.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, it works (b) only if it is red (c) no, it breaks a limit (d) yes, always
24. 24.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) float for 1 minute (c) hold up 500 g (d) use at most 20 straws
25. 25.📋 Criteria are … (a) the limits on money (b) the team names (c) the tools you use (d) goals a design must meet
26. 26.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
27. 27.True or false: “be under 30 cm tall” is a constraint (a limit). (a) False (b) True
28. 28.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 900 g. Does it meet the criterion? (a) No (b) Yes
29. 29.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 800 g. Does it meet the criterion? (a) Yes (b) No
30. 30.True or false: “stand in a fan breeze” is a criterion (a goal). (a) False (b) True
31. 31.True or false: “carry 10 coins” is a constraint (a limit). (a) True (b) False
32. 32.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
33. 33.📋 Your team’s budget is ₹60. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
34. 34.🔍 Which is the odd one out? (a) be under 30 cm tall (b) finish in 40 minutes (c) hold up 500 g (d) spend at most ₹100
35. 35.True or false: “carry 10 coins” is a criterion (a goal). (a) True (b) False
36. 36.True or false: “float for 1 minute” is a criterion (a goal). (a) False (b) True
37. 37.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 54 cm tall. Is it within the constraint? (a) No (b) Yes
38. 38.📋 Your team’s budget is ₹23. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
39. 39.📋 Your team’s budget is ₹26. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
40. 40.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 36 cm tall. Is it within the constraint? (a) Yes (b) No

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