Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 271 · 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.📋 Your team’s budget is ₹30. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
2. 2.📋 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
3. 3.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a criterion (b) a constraint
4. 4.📋 A constraint is … (a) a final test (b) a kind of glue (c) a goal for success (d) a limit you must keep to
5. 5.📋 Your team’s budget is ₹94. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
6. 6.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
7. 7.True or false: “fit on a school desk” is a constraint (a limit). (a) True (b) False
8. 8.📋 Your team’s budget is ₹49. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
9. 9.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 1050 g. Does it meet the criterion? (a) No (b) Yes
10. 10.🔍 Which is the odd one out? (a) spend at most ₹100 (b) carry 10 coins (c) hold up 500 g (d) float for 1 minute
11. 11.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 500 g. Does it meet the criterion? (a) Yes (b) No
12. 12.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
13. 13.📋 Criteria are … (a) the team names (b) the limits on money (c) the tools you use (d) goals a design must meet
14. 14.🔍 Which is the odd one out? (a) hold up 500 g (b) use only paper and tape (c) finish in 40 minutes (d) spend at most ₹100
15. 15.🔍 Which is the odd one out? (a) finish in 40 minutes (b) use only paper and tape (c) carry 10 coins (d) use at most 20 straws
16. 16.📋 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
17. 17.🔍 Which is the odd one out? (a) carry 10 coins (b) hold up 500 g (c) float for 1 minute (d) use only paper and tape
18. 18.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a constraint (b) a criterion
19. 19.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
20. 20.📋 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
21. 21.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) carry 10 coins (c) hold up 500 g (d) use at most 20 straws
22. 22.True or false: “use at most 20 straws” is a constraint (a limit). (a) True (b) False
23. 23.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
24. 24.📋 Your team’s budget is ₹43. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
25. 25.True or false: “stand in a fan breeze” is a constraint (a limit). (a) True (b) False
26. 26.True or false: “fit on a school desk” is a criterion (a goal). (a) True (b) False
27. 27.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 36 cm tall. Is it within the constraint? (a) Yes (b) No
28. 28.True or false: “hold up 500 g” is a constraint (a limit). (a) True (b) False
29. 29.🔍 Which is the odd one out? (a) be under 30 cm tall (b) use at most 20 straws (c) fit on a school desk (d) lift a cup of water
30. 30.🔍 Which is the odd one out? (a) spend at most ₹100 (b) fit on a school desk (c) keep ice for 1 hour (d) use only paper and tape
31. 31.📋 Your team’s budget is ₹157. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
32. 32.🔍 Which is the odd one out? (a) stand in a fan breeze (b) use at most 20 straws (c) be under 30 cm tall (d) spend at most ₹100
33. 33.📋 Your team’s budget is ₹26. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
34. 34.True or false: “use at most 20 straws” is a criterion (a goal). (a) False (b) True
35. 35.📋 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
36. 36.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1150 g. Does it meet the criterion? (a) Yes (b) No
37. 37.🔍 Which is the odd one out? (a) float for 1 minute (b) use at most 20 straws (c) finish in 40 minutes (d) be under 30 cm tall
38. 38.🔍 Which is the odd one out? (a) finish in 40 minutes (b) keep ice for 1 hour (c) stand in a fan breeze (d) roll at least 2 metres
39. 39.🔍 Which is the odd one out? (a) be under 30 cm tall (b) lift a cup of water (c) float for 1 minute (d) stand in a fan breeze
40. 40.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint

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