Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 98 · 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.📋 Criteria are … (a) goals a design must meet (b) the tools you use (c) the limits on money (d) the team names
2. 2.True or false: “float for 1 minute” is a criterion (a goal). (a) False (b) True
3. 3.📋 Your team’s budget is ₹106. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
4. 4.📋 Your team’s budget is ₹123. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
5. 5.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, always (b) yes, it works (c) only if it is red (d) no, it breaks a limit
6. 6.True or false: “fit on a school desk” is a criterion (a goal). (a) False (b) True
7. 7.📋 Your team’s budget is ₹148. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
8. 8.📋 Your team’s budget is ₹151. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
9. 9.🔍 Which is the odd one out? (a) lift a cup of water (b) hold up 500 g (c) use at most 20 straws (d) roll at least 2 metres
10. 10.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
11. 11.📋 Your team’s budget is ₹78. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
12. 12.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a criterion (b) a constraint
13. 13.🔍 Which is the odd one out? (a) hold up 500 g (b) lift a cup of water (c) finish in 40 minutes (d) roll at least 2 metres
14. 14.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a criterion (b) a constraint
15. 15.True or false: “be under 30 cm tall” is a criterion (a goal). (a) True (b) False
16. 16.True or false: “carry 10 coins” is a constraint (a limit). (a) True (b) False
17. 17.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
18. 18.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 100 g. Does it meet the criterion? (a) Yes (b) No
19. 19.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
20. 20.📋 A constraint is … (a) a limit you must keep to (b) a goal for success (c) a final test (d) a kind of glue
21. 21.📋 Your team’s budget is ₹51. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
22. 22.True or false: “roll at least 2 metres” is a criterion (a goal). (a) False (b) True
23. 23.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
24. 24.True or false: “use only paper and tape” is a criterion (a goal). (a) False (b) True
25. 25.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 48 cm tall. Is it within the constraint? (a) Yes (b) No
26. 26.📋 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
27. 27.🔍 Which is the odd one out? (a) stand in a fan breeze (b) hold up 500 g (c) use only paper and tape (d) carry 10 coins
28. 28.🔍 Which is the odd one out? (a) float for 1 minute (b) roll at least 2 metres (c) hold up 500 g (d) fit on a school desk
29. 29.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
30. 30.True or false: “roll at least 2 metres” is a constraint (a limit). (a) False (b) True
31. 31.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 84 cm tall. Is it within the constraint? (a) No (b) Yes
32. 32.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 96 cm tall. Is it within the constraint? (a) No (b) Yes
33. 33.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
34. 34.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 550 g. Does it meet the criterion? (a) No (b) Yes
35. 35.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 300 g. Does it meet the criterion? (a) No (b) Yes
36. 36.🔍 Which is the odd one out? (a) fit on a school desk (b) use only paper and tape (c) use at most 20 straws (d) stand in a fan breeze
37. 37.📋 Your team’s budget is ₹30. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
38. 38.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 700 g. Does it meet the criterion? (a) Yes (b) No
39. 39.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 94 cm tall. Is it within the constraint? (a) No (b) Yes
40. 40.📋 Your team’s budget is ₹28. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?

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