Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 950 · 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.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 46 cm tall. Is it within the constraint? (a) Yes (b) No
2. 2.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 92 cm tall. Is it within the constraint? (a) Yes (b) No
3. 3.True or false: “fit on a school desk” is a criterion (a goal). (a) False (b) True
4. 4.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) no, it breaks a limit (b) only if it is red (c) yes, always (d) yes, it works
5. 5.📋 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
6. 6.🔍 Which is the odd one out? (a) use at most 20 straws (b) roll at least 2 metres (c) carry 10 coins (d) hold up 500 g
7. 7.True or false: “use at most 20 straws” is a criterion (a goal). (a) True (b) False
8. 8.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint
9. 9.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a criterion (b) a constraint
10. 10.🔍 Which is the odd one out? (a) float for 1 minute (b) fit on a school desk (c) finish in 40 minutes (d) use only paper and tape
11. 11.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
12. 12.📋 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
13. 13.True or false: “be under 30 cm tall” is a criterion (a goal). (a) True (b) False
14. 14.📋 Your team’s budget is ₹29. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
15. 15.📋 A constraint is … (a) a limit you must keep to (b) a kind of glue (c) a final test (d) a goal for success
16. 16.📋 Criteria are … (a) goals a design must meet (b) the limits on money (c) the team names (d) the tools you use
17. 17.🔍 Which is the odd one out? (a) spend at most ₹100 (b) be under 30 cm tall (c) finish in 40 minutes (d) carry 10 coins
18. 18.🔍 Which is the odd one out? (a) be under 30 cm tall (b) fit on a school desk (c) use at most 20 straws (d) keep ice for 1 hour
19. 19.True or false: “float for 1 minute” is a criterion (a goal). (a) False (b) True
20. 20.📋 Your team’s budget is ₹80. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?
21. 21.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 94 cm tall. Is it within the constraint? (a) Yes (b) No
22. 22.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 250 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) False (b) True
24. 24.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a criterion (b) a constraint
25. 25.True or false: “use only paper and tape” is a constraint (a limit). (a) False (b) True
26. 26.🔍 Which is the odd one out? (a) lift a cup of water (b) roll at least 2 metres (c) hold up 500 g (d) be under 30 cm tall
27. 27.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
28. 28.🔍 Which is the odd one out? (a) hold up 500 g (b) finish in 40 minutes (c) roll at least 2 metres (d) stand in a fan breeze
29. 29.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 50 cm tall. Is it within the constraint? (a) No (b) Yes
30. 30.🔍 Which is the odd one out? (a) hold up 500 g (b) spend at most ₹100 (c) be under 30 cm tall (d) finish in 40 minutes
31. 31.📋 Your team’s budget is ₹46. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
32. 32.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
33. 33.📋 Your team’s budget is ₹50. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
34. 34.🔍 Which is the odd one out? (a) float for 1 minute (b) spend at most ₹100 (c) carry 10 coins (d) hold up 500 g
35. 35.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 550 g. Does it meet the criterion? (a) No (b) Yes
36. 36.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 750 g. Does it meet the criterion? (a) No (b) Yes
37. 37.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
38. 38.📋 Your team’s budget is ₹82. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
39. 39.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 84 cm tall. Is it within the constraint? (a) Yes (b) No
40. 40.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 54 cm tall. Is it within the constraint? (a) No (b) Yes

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