Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 151 · 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) finish in 40 minutes (b) stand in a fan breeze (c) use only paper and tape (d) use at most 20 straws
2. 2.📋 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?
3. 3.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, always (b) only if it is red (c) yes, it works (d) no, it breaks a limit
4. 4.🔍 Which is the odd one out? (a) use at most 20 straws (b) be under 30 cm tall (c) hold up 500 g (d) fit on a school desk
5. 5.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 86 cm tall. Is it within the constraint? (a) Yes (b) No
6. 6.True or false: “use at most 20 straws” is a constraint (a limit). (a) False (b) True
7. 7.🔍 Which is the odd one out? (a) float for 1 minute (b) fit on a school desk (c) use only paper and tape (d) use at most 20 straws
8. 8.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 76 cm tall. Is it within the constraint? (a) No (b) Yes
9. 9.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 950 g. Does it meet the criterion? (a) Yes (b) No
10. 10.True or false: “lift a cup of water” is a constraint (a limit). (a) False (b) True
11. 11.📋 Criteria are … (a) goals a design must meet (b) the team names (c) the tools you use (d) the limits on money
12. 12.True or false: “use only paper and tape” is a criterion (a goal). (a) False (b) True
13. 13.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a criterion (b) a constraint
14. 14.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
15. 15.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
16. 16.True or false: “lift a cup of water” is a criterion (a goal). (a) True (b) False
17. 17.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
18. 18.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
19. 19.🔍 Which is the odd one out? (a) hold up 500 g (b) roll at least 2 metres (c) stand in a fan breeze (d) use only paper and tape
20. 20.True or false: “use at most 20 straws” is a criterion (a goal). (a) True (b) False
21. 21.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 750 g. Does it meet the criterion? (a) No (b) Yes
22. 22.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
23. 23.📋 Your team’s budget is ₹50. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
24. 24.True or false: “carry 10 coins” is a constraint (a limit). (a) False (b) True
25. 25.📋 Your team’s budget is ₹50. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
26. 26.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
27. 27.True or false: “finish in 40 minutes” is a criterion (a goal). (a) False (b) True
28. 28.🔍 Which is the odd one out? (a) finish in 40 minutes (b) stand in a fan breeze (c) carry 10 coins (d) hold up 500 g
29. 29.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 92 cm tall. Is it within the constraint? (a) No (b) Yes
30. 30.📋 A constraint is … (a) a limit you must keep to (b) a goal for success (c) a final test (d) a kind of glue
31. 31.🔍 Which is the odd one out? (a) float for 1 minute (b) hold up 500 g (c) fit on a school desk (d) roll at least 2 metres
32. 32.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a criterion (b) a constraint
33. 33.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 46 cm tall. Is it within the constraint? (a) No (b) Yes
34. 34.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
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) Yes (b) No
36. 36.🔍 Which is the odd one out? (a) roll at least 2 metres (b) float for 1 minute (c) spend at most ₹100 (d) keep ice for 1 hour
37. 37.🔍 Which is the odd one out? (a) lift a cup of water (b) stand in a fan breeze (c) hold up 500 g (d) use at most 20 straws
38. 38.📋 Your team’s budget is ₹40. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
39. 39.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 850 g. Does it meet the criterion? (a) No (b) Yes
40. 40.🔍 Which is the odd one out? (a) be under 30 cm tall (b) carry 10 coins (c) roll at least 2 metres (d) hold up 500 g

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