Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 593 · 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.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) float for 1 minute (c) carry 10 coins (d) use only paper and tape
2. 2.📋 Your team’s budget is ₹150. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
3. 3.True or false: “finish in 40 minutes” is a criterion (a goal). (a) True (b) False
4. 4.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
5. 5.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
6. 6.True or false: “hold up 500 g” is a constraint (a limit). (a) True (b) False
7. 7.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
8. 8.📋 Criteria are … (a) goals a design must meet (b) the team names (c) the limits on money (d) the tools you use
9. 9.📋 A constraint is … (a) a goal for success (b) a final test (c) a limit you must keep to (d) a kind of glue
10. 10.📋 Your team’s budget is ₹53. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?
11. 11.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
12. 12.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 78 cm tall. Is it within the constraint? (a) No (b) Yes
13. 13.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 200 g. Does it meet the criterion? (a) Yes (b) No
14. 14.True or false: “float for 1 minute” is a constraint (a limit). (a) False (b) True
15. 15.📋 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
16. 16.True or false: “finish in 40 minutes” is a constraint (a limit). (a) True (b) False
17. 17.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, always (b) no, it breaks a limit (c) only if it is red (d) yes, it works
18. 18.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
19. 19.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 60 cm tall. Is it within the constraint? (a) No (b) Yes
20. 20.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
21. 21.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 90 cm tall. Is it within the constraint? (a) No (b) Yes
22. 22.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 94 cm tall. Is it within the constraint? (a) Yes (b) No
23. 23.True or false: “lift a cup of water” is a constraint (a limit). (a) True (b) False
24. 24.True or false: “carry 10 coins” is a constraint (a limit). (a) False (b) True
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.🔍 Which is the odd one out? (a) stand in a fan breeze (b) hold up 500 g (c) roll at least 2 metres (d) use at most 20 straws
27. 27.📋 Your team’s budget is ₹75. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
28. 28.📋 Your team’s budget is ₹40. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
29. 29.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 450 g. Does it meet the criterion? (a) No (b) Yes
30. 30.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 74 cm tall. Is it within the constraint? (a) No (b) Yes
31. 31.🔍 Which is the odd one out? (a) finish in 40 minutes (b) spend at most ₹100 (c) fit on a school desk (d) hold up 500 g
32. 32.📋 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
33. 33.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
34. 34.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 66 cm tall. Is it within the constraint? (a) Yes (b) No
35. 35.True or false: “carry 10 coins” is a criterion (a goal). (a) False (b) True
36. 36.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 50 cm tall. Is it within the constraint? (a) Yes (b) No
37. 37.🔍 Which is the odd one out? (a) be under 30 cm tall (b) keep ice for 1 hour (c) stand in a fan breeze (d) roll at least 2 metres
38. 38.📋 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
39. 39.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 850 g. Does it meet the criterion? (a) Yes (b) No
40. 40.📋 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

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