Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 821 · 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.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
2. 2.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
3. 3.🔍 Which is the odd one out? (a) hold up 500 g (b) lift a cup of water (c) stand in a fan breeze (d) be under 30 cm tall
4. 4.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
5. 5.📋 Your team’s budget is ₹37. You must buy one roll of tape for ₹10. 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 constraint (b) a criterion
7. 7.True or false: “use at most 20 straws” is a constraint (a limit). (a) True (b) False
8. 8.True or false: “use only paper and tape” is a criterion (a goal). (a) False (b) True
9. 9.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a criterion (b) a constraint
10. 10.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) False (b) True
11. 11.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 46 cm tall. Is it within the constraint? (a) Yes (b) No
12. 12.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 750 g. Does it meet the criterion? (a) No (b) Yes
13. 13.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 100 cm tall. Is it within the constraint? (a) Yes (b) No
14. 14.True or false: “fit on a school desk” is a criterion (a goal). (a) True (b) False
15. 15.🔍 Which is the odd one out? (a) fit on a school desk (b) use at most 20 straws (c) use only paper and tape (d) lift a cup of water
16. 16.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 600 g. Does it meet the criterion? (a) No (b) Yes
17. 17.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
18. 18.🔍 Which is the odd one out? (a) use only paper and tape (b) be under 30 cm tall (c) stand in a fan breeze (d) finish in 40 minutes
19. 19.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 900 g. Does it meet the criterion? (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.📋 Your team’s budget is ₹41. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
22. 22.📋 Your team’s budget is ₹26. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
23. 23.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, it works (b) only if it is red (c) no, it breaks a limit (d) yes, always
24. 24.True or false: “float for 1 minute” is a criterion (a goal). (a) True (b) False
25. 25.📋 A constraint is … (a) a goal for success (b) a final test (c) a limit you must keep to (d) a kind of glue
26. 26.True or false: “carry 10 coins” is a constraint (a limit). (a) False (b) True
27. 27.🔍 Which is the odd one out? (a) fit on a school desk (b) keep ice for 1 hour (c) hold up 500 g (d) roll at least 2 metres
28. 28.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1000 g. Does it meet the criterion? (a) Yes (b) No
29. 29.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1100 g. Does it meet the criterion? (a) Yes (b) No
30. 30.📋 Your team’s budget is ₹104. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?
31. 31.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
32. 32.📋 Criteria are … (a) the limits on money (b) the team names (c) the tools you use (d) goals a design must meet
33. 33.🔍 Which is the odd one out? (a) spend at most ₹100 (b) use only paper and tape (c) be under 30 cm tall (d) roll at least 2 metres
34. 34.True or false: “float for 1 minute” is a constraint (a limit). (a) True (b) False
35. 35.📋 Your team’s budget is ₹39. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
36. 36.📋 Your team’s budget is ₹109. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
37. 37.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 800 g. Does it meet the criterion? (a) No (b) Yes
38. 38.📋 Your team’s budget is ₹140. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?
39. 39.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 250 g. Does it meet the criterion? (a) No (b) Yes
40. 40.📋 Your team’s budget is ₹95. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?

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